COMBINATION AIR AND WATER VALVE FOR ROCK DRILLS,申请号CAD550909-传众专利搜索

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发明名称	COMBINATION AIR AND WATER VALVE FOR ROCK DRILLS
摘要
申请公布号	CA550909(A)	申请公布日期	1957.12.31
申请号	CAD550909	申请日期
申请人	CHICAGO PNEUMATIC TOOL COMPANY	发明人	EARL B. LEAR
分类号		主分类号
代理机构		代理人
主权项
地址

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