BUTTERFLY VALVE SEAT,申请号CAD610058-传众专利搜索

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发明名称	BUTTERFLY VALVE SEAT
摘要
申请公布号	CA610058(A)	申请公布日期	1960.12.06
申请号	CAD610058	申请日期
申请人	HENRY PRATT COMPANY	发明人	DONALD G. FAWKES
分类号		主分类号
代理机构		代理人
主权项
地址

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