TREA

with cards or other card-like flat carriers

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Industry

  • CPC
  • G11B7/0033
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Parent Industries

GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B7/00Recording or reproducing by optical means

Current Industry

G11B7/0033with cards or other card-like flat carriers
Industries