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发明名称
Ratchet-type torque wrench
摘要
申请公布号
US2686446(A)
申请公布日期
1954.08.17
申请号
US19520281973
申请日期
1952.04.12
申请人
LIVERMONT FRANK W
发明人
LIVERMONT FRANK W.
分类号
B25B13/46;B25B23/142
主分类号
B25B13/46
代理机构
代理人
主权项
地址
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