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发明名称
METHOD AND APPARATUS FOR INDUCING ELLIPTICALLY POLARIZED SHEAR WAVES IN AN EARTH MEDIUM
摘要
申请公布号
EP0256626(B1)
申请公布日期
1991.08.14
申请号
EP19870304928
申请日期
1987.06.03
申请人
CONOCO INC.
发明人
COLE, JACK H.;BAUMEL, ROBERT T.;GERGELY, JOHN S.;STRECKER, JOHN E.
分类号
G01V1/02;G01V1/053
主分类号
G01V1/02
代理机构
代理人
主权项
地址
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