COMBINED VALVE AND SEAT CUTTER,申请号CAD335747-传众专利搜索

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发明名称	COMBINED VALVE AND SEAT CUTTER
摘要
申请公布号	CA335747(A)	申请公布日期	1933.09.19
申请号	CAD335747	申请日期
申请人	EMIL O. STARKIN	发明人	EMIL O. STARKIN
分类号		主分类号
代理机构		代理人
主权项
地址

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