Automatic time valve,申请号US19480044047-传众专利搜索

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法人/股东/高管

发明名称	Automatic time valve
摘要
申请公布号	US2549909(A)	申请公布日期	1951.04.24
申请号	US19480044047	申请日期	1948.08.13
申请人	JOYNES ERNEST R	发明人	JOYNES ERNEST R.
分类号	F16K21/10;G05D7/01	主分类号	F16K21/10
代理机构		代理人
主权项
地址

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