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发明名称
摘要
申请公布号
FR2238305(B1)
申请公布日期
1981.06.12
申请号
FR19740024645
申请日期
1974.07.16
申请人
PHILIPS GLOEILAMPENFABRIEKEN NV
发明人
分类号
G11B20/02;H04N9/87;H04N9/873;H04N9/88;(IPC1-7):H04N5/76
主分类号
G11B20/02
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