APPARATUS FOR FEEDING DRILL PIPES IN RUNNING-IN AND OUT OPERATIONS,申请号SU19813252030-传众专利搜索

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发明名称	APPARATUS FOR FEEDING DRILL PIPES IN RUNNING-IN AND OUT OPERATIONS
摘要
申请公布号	SU973788(A1)	申请公布日期	1982.11.15
申请号	SU19813252030	申请日期	1981.02.23
申请人	NII TYAZHELOGO MASH PROIZVODSTVENNOGO OBEDINENIYA "URALMASH"	发明人	GRAMOLIN VADIM N,SU;KUTARKIN LEONID A,SU;MIKHAJLOV LEV N,SU
分类号	E21B19/14;(IPC1-7):E21B19/14	主分类号	E21B19/14
代理机构		代理人
主权项
地址

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