Apparatus for controlling fluid flow,申请号US19380228496-传众专利搜索

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发明名称	Apparatus for controlling fluid flow
摘要
申请公布号	US2212762(A)	申请公布日期	1940.08.27
申请号	US19380228496	申请日期	1938.09.06
申请人	PEOPLES GAS BY-PRODUCTS CORPORATION	发明人	WITTMANN ROBERT A.
分类号	H01F7/16	主分类号	H01F7/16
代理机构		代理人
主权项
地址

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