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Home › ELECTRONIC INFORMATION MANAGEMENT SYSTEM, IC CARD, TERMINAL APPARATUS AND ELECTRONIC INFORMATION MANAGEMENT METHOD, AND RECORDING MEDIUM ON WHICH IS RECORDED AN ELECTRONIC INFORMATION MANAGEMENT PROGRAM

ELECTRONIC INFORMATION MANAGEMENT SYSTEM, IC CARD, TERMINAL APPARATUS AND ELECTRONIC INFORMATION MANAGEMENT METHOD, AND RECORDING MEDIUM ON WHICH IS RECORDED AN ELECTRONIC INFORMATION MANAGEMENT PROGRAM

US Patent 6718471 · Granted Apr 6, 2004

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