Seal arrangement for a butterfly valve,申请号US19610116345-传众专利搜索

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发明名称	Seal arrangement for a butterfly valve
摘要
申请公布号	US3143132(A)	申请公布日期	1964.08.04
申请号	US19610116345	申请日期	1961.06.12
申请人	FISHER GOVERNOR COMPANY	发明人	PANGBURN THOMAS W.
分类号	F16K1/226	主分类号	F16K1/226
代理机构		代理人
主权项
地址

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