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发明名称
Torque meter
摘要
申请公布号
US3339405(A)
申请公布日期
1967.09.05
申请号
US19650450141
申请日期
1965.04.22
申请人
GENERAL MOTORS CORPORATION
发明人
MCDOWALL CHARLES J.
分类号
E21B44/00;G01L3/14
主分类号
E21B44/00
代理机构
代理人
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地址
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