VORRICHTUNG ZUR VERAENDERUNG DER HELLIGKEIT VON GLUEHLAMPEN.,申请号DE195500R1563U-传众专利搜索

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发明名称	VORRICHTUNG ZUR VERAENDERUNG DER HELLIGKEIT VON GLUEHLAMPEN.
摘要
申请公布号	DE1714033(U)	申请公布日期	1955.12.29
申请号	DE195500R1563U	申请日期	1955.09.29
申请人	JOHANN GERHARD RUETTEN	发明人	JOHANN GERHARD RUETTEN
分类号		主分类号
代理机构		代理人
主权项
地址

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