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发明名称
Clip for paper-back laths
摘要
申请公布号
US2151904(A)
申请公布日期
1939.03.28
申请号
US19380212224
申请日期
1938.06.07
申请人
EADES HARRY H
发明人
EADES HARRY H.
分类号
E04F13/04
主分类号
E04F13/04
代理机构
代理人
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地址
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