Shaft seal for a butterfly valve,申请号US19650464040-传众专利搜索

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发明名称	Shaft seal for a butterfly valve
摘要
申请公布号	US3345033(A)	申请公布日期	1967.10.03
申请号	US19650464040	申请日期	1965.06.15
申请人	HENRY PRATT COMPANY	发明人	FAWKES DONALD G.
分类号	F16K1/226;F16K41/04	主分类号	F16K1/226
代理机构		代理人
主权项
地址

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