Mechanical face seals,申请号US19900509018-传众专利搜索

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发明名称	Mechanical face seals
摘要
申请公布号	US5011166(A)	申请公布日期	1991.04.30
申请号	US19900509018	申请日期	1990.04.13
申请人	JOHN CRANE UK LIMITED	发明人	WATTS, CHRISTOPHER J.
分类号	F16J3/04;F16J15/36	主分类号	F16J3/04
代理机构		代理人
主权项
地址

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