Air vent valve,申请号US19400331005-传众专利搜索

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发明名称	Air vent valve
摘要
申请公布号	US2281566(A)	申请公布日期	1942.05.05
申请号	US19400331005	申请日期	1940.04.22
申请人	DETROIT LUBRICATOR COMPANY	发明人	EGGLESTON LEWIS W.
分类号	F24D19/08	主分类号	F24D19/08
代理机构		代理人
主权项
地址

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