Method of and apparatus for carrying out measurements on open and closed fractures in a hard rock formation pierced by a borehole,申请号US19890357065-传众专利搜索

发明名称	Method of and apparatus for carrying out measurements on open and closed fractures in a hard rock formation pierced by a borehole
摘要
申请公布号	US5049822(A)	申请公布日期	1991.09.17
申请号	US19890357065	申请日期	1989.05.24
申请人	ZOLTAN, BARLAI;GEZA, DORCSI;FERENC, REZ;PETER, RIBICZEY;ATTILA, VAMOS	发明人	ZOLTAN, BARLAI;GEZA, DORCSI;FERENC, REZ;PETER, RIBICZEY;ATTILA, VAMOS
分类号	G01V3/20	主分类号	G01V3/20
代理机构		代理人
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