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发明名称
Wallboard fastener
摘要
申请公布号
US2174145(A)
申请公布日期
1939.09.26
申请号
US19380236664
申请日期
1938.10.24
申请人
TUMMINS SAMUEL H
发明人
TUMMINS SAMUEL H.
分类号
E04F13/08
主分类号
E04F13/08
代理机构
代理人
主权项
地址
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