OPTICAL SOUND RECORDING SYSTEM,申请号GB19770034455-传众专利搜索

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发明名称	OPTICAL SOUND RECORDING SYSTEM
摘要
申请公布号	GB1585776(A)	申请公布日期	1981.03.11
申请号	GB19770034455	申请日期	1977.08.17
申请人	NIPPON HOSO KYOKAI;YOKOHAMA CINEMA LABORATORIES INC	发明人
分类号	G11B7/003;G11B7/14;(IPC1-7):G11B7/00;G11B21/04	主分类号	G11B7/003
代理机构		代理人
主权项
地址

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