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Search results for: 'Find a number of nonduplicate rows in pandas'

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  1. RFID UHF 860-960MHz Board Antenna 44x44 Long Range 10M 12dBi
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    RFID UHF 860-960MHz Board Antenna 44x44 Long Range... SKU : HY12DB
    Special Price US$77.78 Regular Price US$86.42
  2. 10pcs EM4305 T5577 Duplicator Copy 125khz RFID Tag Access Control Porta Chave Card Sticker Key
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    10pcs EM4305 T5577 Duplicator Copy 125khz RFID Tag... SKU : 32797871984
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  3. Chemical Oil Origin Authentication NFC Seal Sticker Bottle seal Label
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    Chemical Oil Origin Authentication NFC Seal Sticke... SKU : LockerSealSticker
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  4. HF tamper Alcohol spirit wine label TAG-HY130030E
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    HF tamper Alcohol spirit wine label TAG-HY130030E SKU : RFIDLiquorLabel-3
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  5. 50pcs RFID key fobs 13.56MHz proximity ABS key ic tags Token Ring nfc 1k china Fudan S50 1K chip
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    50pcs RFID key fobs 13.56MHz proximity ABS key ic ... SKU : 32234978694
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    500pcs RFID key fobs 13.56MHz proximity ABS key ic... SKU : 32235376319
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  7. 100pcs RFID key fobs 13.56MHz proximity ABS key ic tags Token Ring nfc china Fudan S50 1K chip
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    100pcs RFID key fobs 13.56MHz proximity ABS key ic... SKU : 32235384264
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  8. 10pcs RFID Key Fobs 13.56MHz China Fudan 1K S50 Chip IC Tags Token Ring NFC Proximity ABS Key
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    10pcs RFID Key Fobs 13.56MHz China Fudan 1K S50 Ch... SKU : 32850311844
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  9. RFID UHF Anti fake Copper Jewelry label sticker
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    RFID UHF Anti fake Copper Jewelry label sticker SKU : HFJEWEL
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  10. Liquor wine alcohol tamper detection nfc tag
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    Liquor wine alcohol tamper detection nfc tag SKU : RFIDLiquorLabel-1
    Special Price US$0.43 Regular Price US$0.48
  11. NFC Tamper Proof anti-counterfeiting RFID Food Label Food Package Seal Tag
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    NFC Tamper Proof anti-counterfeiting RFID Food Lab... SKU : RFIDFoodLabel
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  12. 2m length rfid coil small antenna cable for test machine
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    2m length rfid coil small antenna cable for test m... SKU : HY909T
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  13. RFID 134 2KHz + 125KHz Low Cost Reader Writer for EM4305 ISO1178485 Animal Tag Standard +Software FREE
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    RFID 134 2KHz + 125KHz Low Cost Reader Writer for ... SKU : GZ1342D
    Special Price US$110.61 Regular Price US$122.91
  14. Outdoor Password pin code RFID Proximity Access Control Reader 125Khz ID Card EM Tag Keyfob Reader
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    Outdoor Password pin code RFID Proximity Access Co... SKU : 32929423556
    Special Price US$11.61 Regular Price US$12.90
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  15. High Accuracy 140dB WDR Water-Proof Nigth Version Vehicle Plates Recogntion Camera
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    High Accuracy 140dB WDR Water-Proof Nigth Version ... SKU : WCAM101119340590
    Special Price US$337.06 Regular Price US$374.51
  16. 10pcs RFID 1K Sticker 41X26mm rectangular NFC tag work for android phone
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    10pcs RFID 1K Sticker 41X26mm rectangular NFC tag ... SKU : 1037472935
    Special Price US$7.36 Regular Price US$8.18
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  17. Anti-metal NFC phone tag 40x40mm 13.56MHZ stick on metal tag
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    Anti-metal NFC phone tag 40x40mm 13.56MHZ stick on... SKU : 1610013199
    Special Price US$8.52 Regular Price US$9.47
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  18. LPSECURITY Metal case keypad RFID access control system kit set electric door lock kit
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    LPSECURITY Metal case keypad RFID access control s... SKU : 32812126292
    Special Price US$42.25 Regular Price US$46.95
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  19. 134.2khz ISO11784 ISO11785 rfid ear tag for animal cattle sheep pig management
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    134.2khz ISO11784 ISO11785 rfid ear tag for animal... SKU : 32681572703
    Special Price US$0.51 Regular Price US$0.56
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  20. 1000piece/roll NFC Sticker/Adhesive Label/Tag RFID IC 13.56MHz ISO14443A 1k S50 FM1108
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    1000piece/roll NFC Sticker/Adhesive Label/Tag RFID... SKU : 32740572895
    Special Price US$259.27 Regular Price US$288.08
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  21. 100pcs Ntag213 NFC Tags 13.56MHz ISO14443A NFC Sticker Ntag 213 All NFC Phone Available RFID NFC tag
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    100pcs Ntag213 NFC Tags 13.56MHz ISO14443A NFC Sti... SKU : HFLABELNTAG
    Special Price US$0.12 Regular Price US$0.13
  22. ISO11785/84 FDX-B Pet Microchip Scanner, Animal RFID Tag Reader dog reader Low Frequency Handheld
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    ISO11785/84 FDX-B Pet Microchip Scanner, Animal RF... SKU : RFIDFDXR
    Special Price US$29.03 Regular Price US$32.25
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  23. 10PCS Ntag215 NFC Tags Sticker Phone Available Adhesive Labels RFID Tag 25mm
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    10PCS Ntag215 NFC Tags Sticker Phone Available Adh... SKU : 32955649994
    Special Price US$4.66 Regular Price US$5.18
  24. Portable LCD Display Animal Microchip Scanner Tag Barcode Scanner ISO11784/11785 134.2KHz FDX-B Pet
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    Portable LCD Display Animal Microchip Scanner Tag ... SKU : 32972794099
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  25. Jakcom Smart Ring Wear Convenient R3 R3F Timer2 (MJ02) Black Color Magic Finger NFC Ring For Android
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    Jakcom Smart Ring Wear Convenient R3 R3F Timer2 (M... SKU : 32832918615
    Special Price US$14.52 Regular Price US$16.13
  26. TIMER Jakcom R3 Smart Ring Magic NFC Wireless Function Lock Phone Privacy Protection for Android Sma
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    TIMER Jakcom R3 Smart Ring Magic NFC Wireless Func... SKU : 32796775955
    Special Price US$12.96 Regular Price US$14.39
  27. Keyes RC522 Card Read Antenna RFID Reader IC Card for Arduino
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    Keyes RC522 Card Read Antenna RFID Reader IC Card ... SKU : RC522
    Special Price US$12.96 Regular Price US$14.40
  28. 5 dBI Long Stip UHF RFID Reader Antenna with SMA Conntector
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    5 dBI Long Stip UHF RFID Reader Antenna with SMA ... SKU : JT682
    Special Price US$50.13 Regular Price US$55.70
  29. high performance 13.56MHz HF RFID ISO15693 organic glass pad antenna used for access control
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    high performance 13.56MHz HF RFID ISO15693 organic... SKU : CFRA1001
    Special Price US$127.04 Regular Price US$141.15
  30. RFID UHF Circular Polarized Flat Plate Plane Antenna 5dBi 8dBi
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    RFID UHF Circular Polarized Flat Plate Plane Anten... SKU : UHF5DBFLAT
    Special Price US$68.06 Regular Price US$75.62
    Out of stock
  31. RFID UHF EPC Single Channel Reader Station External Antenna RS232
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    RFID UHF EPC Single Channel Reader Station Externa... SKU : HY103S
    Special Price US$116.67 Regular Price US$129.64
  32. 8618AK Stainless Waterproof Access Control RFID 125KHz with Keypad Silver 500 User
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    8618AK Stainless Waterproof Access Control RFID 12... SKU : KL8618AK
    Special Price US$20.32 Regular Price US$22.58
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