Kobling til overføring af telegraftegn i bærefrekvenstelegrafanlæg med variabelt niveau.,申请号DK19440001561-传众专利搜索

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发明名称	Kobling til overføring af telegraftegn i bærefrekvenstelegrafanlæg med variabelt niveau.
摘要
申请公布号	DK68887(C)	申请公布日期	1949.04.11
申请号	DK19440001561	申请日期	1944.05.31
申请人	>>FIDES GESELLSCHAFT FUER DIE VERWALTUNG UND VERWERTUNG VON GEWERBLICHEN SCHUTZRECHTEN MIT BESCHRAENKTER HAFTUNG<<	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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