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发明名称
Tubing and well tool coupling
摘要
申请公布号
US2644524(A)
申请公布日期
1953.07.07
申请号
US19460707664
申请日期
1946.11.04
申请人
BAKER OIL TOOLS, INC.
发明人
BAKER REUBEN C.
分类号
E21B17/06;F16L15/00
主分类号
E21B17/06
代理机构
代理人
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地址
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