VALVE MECHANISM FOR ROCK DRILLS,申请号CAD366507-传众专利搜索

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发明名称	VALVE MECHANISM FOR ROCK DRILLS
摘要
申请公布号	CA366507(A)	申请公布日期	1937.06.01
申请号	CAD366507	申请日期
申请人	THE INGERSOLL-RAND COMPANY	发明人	WILLIAM ANDREW MORRISON
分类号		主分类号
代理机构		代理人
主权项
地址

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