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发明名称
Combined loose leaf binder and pencil box
摘要
申请公布号
US2035571(A)
申请公布日期
1936.03.31
申请号
US19350010189
申请日期
1935.03.09
申请人
NATIONAL BLANK BOOK COMPANY
发明人
SCHADE FRANK STANLEY
分类号
B42F13/40
主分类号
B42F13/40
代理机构
代理人
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地址
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