DIAMOND DRILL BIT,申请号SU19925056477-传众专利搜索

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发明名称	DIAMOND DRILL BIT
摘要
申请公布号	RU2055143(C1)	申请公布日期	1996.02.27
申请号	SU19925056477	申请日期	1992.06.23
申请人	INSTITUT SVERKHTVERDYKH MATERIALOV AN UKRAINY	发明人	BOGDANOV ROBERT K;LYASHKO VLADIMIR A;ISONKIN ALEKSANDR M;POTEMKIN MIKHAIL M
分类号	E21B10/48;(IPC1-7):E21B10/48	主分类号	E21B10/48
代理机构		代理人
主权项
地址

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