Ratchet actuated fast-opening, slow-closing valve,申请号US19610157687-传众专利搜索

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发明名称	Ratchet actuated fast-opening, slow-closing valve
摘要
申请公布号	US3174717(A)	申请公布日期	1965.03.23
申请号	US19610157687	申请日期	1961.12.07
申请人	GRINNELL CORPORATION	发明人	BRAY GEDDES ALAN
分类号	F16K7/12;F16K31/52	主分类号	F16K7/12
代理机构		代理人
主权项
地址

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