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发明名称
Wrench
摘要
申请公布号
US2201918(A)
申请公布日期
1940.05.21
申请号
US19380218400
申请日期
1938.07.09
申请人
WILLIAM PETERSEN
发明人
PETERSEN WILLIAM
分类号
B25B7/12
主分类号
B25B7/12
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代理人
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