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发明名称
Pocketed file folder
摘要
申请公布号
US2633848(A)
申请公布日期
1953.04.07
申请号
US19520292961
申请日期
1952.06.11
申请人
VOSS ARNOLD W;TRACHTE ROBERT M
发明人
VOSS ARNOLD W.;TRACHTE ROBERT M.
分类号
B42F7/06
主分类号
B42F7/06
代理机构
代理人
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