Vorrichtung zur Veraenderung der Tonstaerke bei Weckeruhren,申请号DE1949J000117-传众专利搜索

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发明名称	Vorrichtung zur Veraenderung der Tonstaerke bei Weckeruhren
摘要
申请公布号	DE818030(C)	申请公布日期	1951.10.22
申请号	DE1949J000117	申请日期	1949.11.01
申请人	GEBRUEDER JUNGHANS A.-G.	发明人	JUNGHANS HELMUT;HARTNER LEO
分类号	G04B23/10	主分类号	G04B23/10
代理机构		代理人
主权项
地址

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