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发明名称
Wrench
摘要
申请公布号
US2156529(A)
申请公布日期
1939.05.02
申请号
US19380201271
申请日期
1938.04.11
申请人
DAY LYMAN A
发明人
DAY LYMAN A.
分类号
B25B7/04;B25B7/12;B25B13/14
主分类号
B25B7/04
代理机构
代理人
主权项
地址
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