DEVICE FOR LUBRICATING ROLLER BIT SUPPORT,申请号SU19762401571-传众专利搜索

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发明名称	DEVICE FOR LUBRICATING ROLLER BIT SUPPORT
摘要
申请公布号	SU623949(A1)	申请公布日期	1978.09.15
申请号	SU19762401571	申请日期	1976.09.17
申请人	UFIMSKIJ NEFTYANOJ INSTITUT	发明人	MITYUREV EVGENIJ A,SU;VASILEV GEORGIJ ,SU
分类号	(IPC1-7):E21B9/08	主分类号	(IPC1-7):E21B9/08
代理机构		代理人
主权项
地址

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