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发明名称
Pipe wrench
摘要
申请公布号
US2249290(A)
申请公布日期
1941.07.15
申请号
US19400351603
申请日期
1940.08.06
申请人
JAHNEL EDWIN J
发明人
JAHNEL EDWIN J.
分类号
B25B13/16;B25B13/50
主分类号
B25B13/16
代理机构
代理人
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