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经营范围
发明名称
FORMATION-SAMPLING APPARATUS
摘要
申请公布号
US3430716(A)
申请公布日期
1969.03.04
申请号
USD3430716
申请日期
1967.06.29
申请人
SCHLUMBERGER TECHNOLOGY CORP.
发明人
HAROLD J. URBANOSKY
分类号
E21B49/06;(IPC1-7):E21B3/08;E21B9/22;E21B49/02
主分类号
E21B49/06
代理机构
代理人
主权项
地址
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