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发明名称
Loose-leaf-memorandum-pad holder
摘要
申请公布号
US1768266(A)
申请公布日期
1930.06.24
申请号
US19280297044
申请日期
1928.08.02
申请人
O'CONNELL THOMAS P
发明人
O'CONNELL THOMAS P.
分类号
B42D5/00
主分类号
B42D5/00
代理机构
代理人
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地址
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