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发明名称
BINARY PERFORATION CODED CREDIT CARD AND SYSTEM
摘要
申请公布号
US3512130(A)
申请公布日期
1970.05.12
申请号
USD3512130
申请日期
1968.02.01
申请人
JOHN G. HULETT
发明人
JOHN G. HULETT
分类号
B44F1/12;G07F7/08;(IPC1-7):H04Q1/00
主分类号
B44F1/12
代理机构
代理人
主权项
地址
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