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发明名称
Foldable I.D. card
摘要
申请公布号
US4930234(A)
申请公布日期
1990.06.05
申请号
US19890349050
申请日期
1989.05.08
申请人
WALLACE COMPUTER SERVICES, INC.
发明人
SCHMIDT, ERIC
分类号
G09F3/02;G09F3/06;G09F3/10
主分类号
G09F3/02
代理机构
代理人
主权项
地址
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