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发明名称
SENDER AKUSTISCHER ENERGIE FUER BOHRLOCHMESSUNGEN.
摘要
申请公布号
DE3774138(D1)
申请公布日期
1991.12.05
申请号
DE19873774138
申请日期
1987.01.08
申请人
MOBIL OIL CORP., NEW YORK, N.Y., US
发明人
MEDLIN, WILLIAM LOUIS, DALLAS TEXAS 75248, US;SLOVER, JR., VASEL ROY, IRVING TEXAS 75061, US
分类号
B06B1/06;G01V1/52;(IPC1-7):G01V1/40;G01V1/02
主分类号
B06B1/06
代理机构
代理人
主权项
地址
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