Page label, page label detection device, page retrieval information detection method and introduction machine

Page label, page label detection device, page retrieval information detection method and introduction machine

  • CN 102,117,423 A
  • Filed: 01/05/2010
  • Published: 07/06/2011
  • Est. Priority Date: 01/05/2010
  • Status: Active Grant
First Claim
Patent Images

1. page or leaf label is characterized in that:

  • Comprise the LC resonant circuit;

    Described page or leaf label is fixed on the page.

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