Stromkredsanordning ved abonnentsæt i et telegrafanlæg.,申请号DK19470004891-传众专利搜索

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发明名称	Stromkredsanordning ved abonnentsæt i et telegrafanlæg.
摘要
申请公布号	DK76032(C)	申请公布日期	1953.06.29
申请号	DK19470004891	申请日期	1947.12.23
申请人	STAATSBEDRIJF DER POSTERIJEN, TELEGRAFIE EN TELEFONIE	发明人	ROELOF MAARTEN MARIE OBERMAN
分类号		主分类号
代理机构		代理人
主权项
地址

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