Electrical control circuit,申请号US19290363761-传众专利搜索

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发明名称	Electrical control circuit
摘要
申请公布号	US2045769(A)	申请公布日期	1936.06.30
申请号	US19290363761	申请日期	1929.05.17
申请人	RADIO CORPORATION	发明人	GEFFCKEN HEINRICH HERMANN;RICHTER HANS RUDOLF
分类号	B07C5/344	主分类号	B07C5/344
代理机构		代理人
主权项
地址

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