INSERTED CUTTING FORMATIONS FOR PERCUSSIVE ROCK DRILL BITS,申请号CAD692250-传众专利搜索

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发明名称	INSERTED CUTTING FORMATIONS FOR PERCUSSIVE ROCK DRILL BITS
摘要
申请公布号	CA692250(A)	申请公布日期	1964.08.11
申请号	CAD692250	申请日期
申请人	HARD METALS LIMITED	发明人	REES W. REES
分类号		主分类号
代理机构		代理人
主权项
地址

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