VALVE CONTROLLING APPARATUS,申请号CAD301612-传众专利搜索

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发明名称	VALVE CONTROLLING APPARATUS
摘要
申请公布号	CA301612(A)	申请公布日期	1930.07.01
申请号	CAD301612	申请日期
申请人	DAVID L. SUMNEY	发明人	DAVID L. SUMNEY
分类号		主分类号
代理机构		代理人
主权项
地址

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