作者: Toshio Yamagiwa
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摘要: A product management system has a database, an owner identification device, card issuance and checking device. The database correlates stores therein information in relation to the of product. device wirelessly reads out from IC tag, which is fixed stored information, also correlated information. issues having storage medium for storing checks compares read card, thus validating prevents been sold being illegally used by or dealt with person other than valid owner.