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发明名称
Memo paper holder
摘要
申请公布号
US2211492(A)
申请公布日期
1940.08.13
申请号
US19380232541
申请日期
1938.09.30
申请人
BURTIS WILLIAM H
发明人
BURTIS WILLIAM H.
分类号
B42D19/00
主分类号
B42D19/00
代理机构
代理人
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