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发明名称
Pipe wrench with nut fulcrumed pivoted outer jaw
摘要
申请公布号
US2650512(A)
申请公布日期
1953.09.01
申请号
US19510257464
申请日期
1951.11.21
申请人
J. H. WILLIAMS & CO.
发明人
JOHNSON WALTER J.;ERTELL CARL G.
分类号
B25B13/12;B25B13/16
主分类号
B25B13/12
代理机构
代理人
主权项
地址
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