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发明名称
Cardholder for index devices
摘要
申请公布号
US2551213(A)
申请公布日期
1951.05.01
申请号
US19450616244
申请日期
1945.09.14
申请人
THE BATES MANUFACTURING COMPANY
发明人
LANG WILLIAM
分类号
B42F17/00;B42F17/34
主分类号
B42F17/00
代理机构
代理人
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地址
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