Ljudfilm samt sätt och apparat för registrering av ljud på fotografisk väg,申请号FID19768-传众专利搜索

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发明名称	Ljudfilm samt sätt och apparat för registrering av ljud på fotografisk väg
摘要
申请公布号	FI19768(A)	申请公布日期	1943.11.22
申请号	FID19768	申请日期	1932.11.30
申请人	AGA-BALTIC AB	发明人	POULSEN ARNOLD;PETERSEN AXEL CARL GEORG
分类号	(IPC1-7):G11B23/46	主分类号	(IPC1-7):G11B23/46
代理机构		代理人
主权项
地址

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