Protected ball valve seal,申请号US19600039846-传众专利搜索

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发明名称	Protected ball valve seal
摘要
申请公布号	US3077902(A)	申请公布日期	1963.02.19
申请号	US19600039846	申请日期	1960.06.30
申请人	FISBER GOVERNOR COMPANY	发明人	VICKERY EDGAR HERBERT
分类号	F16K5/20	主分类号	F16K5/20
代理机构		代理人
主权项
地址

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