Einrichtung zur selbsttaetigen Regelung des Wirkungsgrades von UEbertragungssystemen,申请号DE1927S079974D-传众专利搜索

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发明名称	Einrichtung zur selbsttaetigen Regelung des Wirkungsgrades von UEbertragungssystemen
摘要
申请公布号	DE569789(C)	申请公布日期	1933.02.08
申请号	DE1927S079974D	申请日期	1927.05.28
申请人	SIEMENS & HALSKE AKT.-GES.	发明人	TUCZEK DR. FRANZ
分类号	H04N5/52	主分类号	H04N5/52
代理机构		代理人
主权项
地址

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