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Card holder
摘要
申请公布号
US1841690(A)
申请公布日期
1932.01.19
申请号
US19300429520
申请日期
1930.02.19
申请人
L. F. GRAMMES & SONS, INC.
发明人
JR. FRED WEINDEL,
分类号
G09F1/10
主分类号
G09F1/10
代理机构
代理人
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