发明名称 WALLET INCORPORATING CREDIT CARD ALARM SYSTEM
摘要 <p>A nonrigid wallet structure (10) formed by a flexible dielectric sheet (50) carrying planar conductive material (66) thereon and configured to define card accommodating compartments (16). The planar conductive material extends into the compartments and forms a card monitoring and alarm system (30).</p>
申请公布号 WO1990004240(A1) 申请公布日期 1990.04.19
申请号 US1988003527 申请日期 1988.10.07
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