Fremgangsmåde til optagelse og gengivelse af lyd samt apparat til udøvelse af fremgangsmåden.,申请号DK19470000601-传众专利搜索

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发明名称	Fremgangsmåde til optagelse og gengivelse af lyd samt apparat til udøvelse af fremgangsmåden.
摘要
申请公布号	DK71878(C)	申请公布日期	1950.12.18
申请号	DK19470000601	申请日期	1947.02.11
申请人	JAKOB PETER JENSEN;GUNNAR CLEMENS OLIVER SOELBERG	发明人	JAKOB PETER JENSEN;GUNNAR CLEMENS OLIVER SOELBERG
分类号		主分类号
代理机构		代理人
主权项
地址

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