POROUS PRESSURE DETERMINING METHOD,申请号SU19894670831-传众专利搜索

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发明名称	POROUS PRESSURE DETERMINING METHOD
摘要
申请公布号	RU1775551(C)	申请公布日期	1992.11.15
申请号	SU19894670831	申请日期	1989.03.31
申请人	VOLGOGRADSKIJ GNI PI NEFTYANOJ PROMYSHLENNOSTI	发明人	NOVIKOV VLADIMIR S,SU
分类号	E21B47/04;E21B47/06	主分类号	E21B47/04
代理机构		代理人
主权项
地址

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