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发明名称
Wrench
摘要
申请公布号
US1980862(A)
申请公布日期
1934.11.13
申请号
US19340709066
申请日期
1934.01.31
申请人
HUTHSING CHARLES K
发明人
HUTHSING CHARLES K.
分类号
B25B13/48
主分类号
B25B13/48
代理机构
代理人
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