PRESSURE COMPENSATOR FOR BLASTING PERFORATION OPERATIONS IN WELLS,申请号SU19884441931-传众专利搜索

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发明名称	PRESSURE COMPENSATOR FOR BLASTING PERFORATION OPERATIONS IN WELLS
摘要
申请公布号	RU1593329(C)	申请公布日期	1994.01.15
申请号	SU19884441931	申请日期	1988.06.15
申请人	PERMSKIJ GOSUDARSTVENNYJ NAUCHNO-ISSLEDOVATELSKIJ I PROEKTNYJ INSTITUT NEFTYANOJ PROMYSHLENNOSTI	发明人	MALTSEV A.V.;TERENTEV YU.I.;NEVOLIN V.G.;NOZDRACHEV I.M.;RUTSKIJ A.M.
分类号	E21B43/117;(IPC1-7):E21B43/117	主分类号	E21B43/117
代理机构		代理人
主权项
地址

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