FEED CONTROL MEANS FOR DOWN-THE-HOLE ROCK DRILL RIGS,申请号CAD751257-传众专利搜索

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发明名称	FEED CONTROL MEANS FOR DOWN-THE-HOLE ROCK DRILL RIGS
摘要
申请公布号	CA751257(A)	申请公布日期	1967.01.24
申请号	CAD751257	申请日期
申请人	INGERSOLL-RAND COMPANY	发明人	SAMUEL P. LEWIS;EWALD H. KURT;LOREE A.D. PAULSON
分类号		主分类号
代理机构		代理人
主权项
地址

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