APPARATUS FOR FLUID TIGHTNESS TESTING OF DRILL PIPES IN WELL,申请号SU19853986810-传众专利搜索

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发明名称	APPARATUS FOR FLUID TIGHTNESS TESTING OF DRILL PIPES IN WELL
摘要
申请公布号	SU1344890(A1)	申请公布日期	1987.10.15
申请号	SU19853986810	申请日期	1985.12.11
申请人	PROIZV GEOLOGICHESKOE OB "LENANEFTEGAZGEOLOGIYA"	发明人	KARMALSKIJ VADIM B,SU;SPIRIDONOV OLEG N,SU
分类号	E21B17/00;E21B34/06	主分类号	E21B17/00
代理机构		代理人
主权项
地址

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