Valves,申请号US19570663692-传众专利搜索

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发明名称	Valves
摘要
申请公布号	US2981514(A)	申请公布日期	1961.04.25
申请号	US19570663692	申请日期	1957.06.05
申请人	THE SIGMA INSTRUMENT COMPANY LIMITED	发明人	LOXHAM JOHN
分类号	F16K1/00	主分类号	F16K1/00
代理机构		代理人
主权项
地址

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