Fluid sealing arrangement,申请号US19580752639-传众专利搜索

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发明名称	Fluid sealing arrangement
摘要
申请公布号	US3021974(A)	申请公布日期	1962.02.20
申请号	US19580752639	申请日期	1958.08.01
申请人	GRAY TOOL COMPANY	发明人	WATTS JOHN D.
分类号	F16J13/12	主分类号	F16J13/12
代理机构		代理人
主权项
地址

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