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发明名称
Pipe wrench
摘要
申请公布号
US2374423(A)
申请公布日期
1945.04.24
申请号
US19420470573
申请日期
1942.12.30
申请人
DAVIS FREDERICK W
发明人
DAVIS FREDERICK W.
分类号
B25B13/22
主分类号
B25B13/22
代理机构
代理人
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地址
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