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发明名称
Cementing tool
摘要
申请公布号
US3117627(A)
申请公布日期
1964.01.14
申请号
US19600026392
申请日期
1960.03.14
申请人
CITIES SERVICE RESEARCH AND DEVELOPMENT COMPANY
发明人
JR. RALPH R. JARBOE,;HENNINGAN DON C.
分类号
E21B33/138
主分类号
E21B33/138
代理机构
代理人
主权项
地址
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