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发明名称
POWER SUPPLY SYSTEM FOR WELL LOGGING
摘要
申请公布号
US3459956(A)
申请公布日期
1969.08.05
申请号
USD3459956
申请日期
1966.08.25
申请人
SCHLUMBERGER TECHNOLOGY CORP.
发明人
GEORGE W. BROCK
分类号
G01V3/32;G01V11/00;(IPC1-7):H02J3/02
主分类号
G01V3/32
代理机构
代理人
主权项
地址
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