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发明名称
Desk memorandum pad
摘要
申请公布号
US2290006(A)
申请公布日期
1942.07.14
申请号
US19400362997
申请日期
1940.10.26
申请人
BROWN & BIGELOW
发明人
TROLLEN MARTIN E.
分类号
B42D5/00;B65H1/04;B65H3/06;B65H7/04;G07B3/04
主分类号
B42D5/00
代理机构
代理人
主权项
地址
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