Зубок из твердого сплава для буровых шарошек,申请号SU19510448760-传众专利搜索

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发明名称	Зубок из твердого сплава для буровых шарошек
摘要
申请公布号	SU99401(A1)	申请公布日期	1953.11.30
申请号	SU19510448760	申请日期	1951.10.03
申请人	KLUBNICHKIN K.F.;RIVKIN G.M.	发明人	KLUBNICHKIN K.F.;RIVKIN G.M.
分类号	E21B10/16	主分类号	E21B10/16
代理机构		代理人
主权项
地址

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