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发明名称
Jarring tool
摘要
申请公布号
US3406770(A)
申请公布日期
1968.10.22
申请号
US19660560617
申请日期
1966.06.27
申请人
ROY L. ARTERBURY
发明人
ARTERBURY BRYANT P.;BURROUGHS THOMAS C.
分类号
E21B31/107
主分类号
E21B31/107
代理机构
代理人
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地址
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