DOWNHOLE PRESSURE REGULATOR,申请号SU19894631870-传众专利搜索

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发明名称	DOWNHOLE PRESSURE REGULATOR
摘要
申请公布号	SU1752927(A1)	申请公布日期	1992.08.07
申请号	SU19894631870	申请日期	1989.01.04
申请人	UKHTINSKIJ INDUSTRIALNYJ INSTITUT	发明人	BYKOV IGOR YU,SU;SOLOVEV OLEG A,SU
分类号	E21B31/08	主分类号	E21B31/08
代理机构		代理人
主权项
地址

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