Guided flexible valve,申请号US19490077387-传众专利搜索

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发明名称	Guided flexible valve
摘要
申请公布号	US2677387(A)	申请公布日期	1954.05.04
申请号	US19490077387	申请日期	1949.02.19
申请人	EVERETTE CRAWFORD CARLOS	发明人	CRAWFORD CARLOS EVERETTE
分类号	F16K7/18	主分类号	F16K7/18
代理机构		代理人
主权项
地址

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