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Device for sensing magnetically marked paper and marked paper readable by said device

  • US 20030150921A1
  • Filed: 12/02/2002
  • Published: 08/14/2003
  • Est. Priority Date: 06/20/2000
  • Status: Abandoned Application
First Claim
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1. Marked paper document characterised in that it comprises a polymer layer containing glass-covered amorphous ferromagnetic filaments (F) incorporated and dispersed by mixing in the polymer layer.

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