DATA CARD, AND SEAL FOR DATA CARD

PROBLEM TO BE SOLVED: To provide a data card and a seal for the data card usable in a state of concealing a portion, which is to be kept secret, of personal data printed on the surface while allowing personal data by magnetic or IC chips of a card body to be completely read by a card reader.SOLUTION...

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Bibliographische Detailangaben
1. Verfasser: NAGUMO ISAO
Format: Patent
Sprache:eng
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