Bild- und Tonaufnahme- und wiedergabevorrichtung,申请号DE19691911722-传众专利搜索

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发明名称	Bild- und Tonaufnahme- und wiedergabevorrichtung
摘要
申请公布号	DE1911722(A1)	申请公布日期	1969.12.11
申请号	DE19691911722	申请日期	1969.03.07
申请人	BELL & HOWELL COMPANY	发明人	SAWYER JOHN,ROBERT
分类号	G03B19/18;G03B31/04	主分类号	G03B19/18
代理机构		代理人
主权项
地址

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