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发明名称
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摘要
申请公布号
GB2222923(B)
申请公布日期
1992.09.23
申请号
GB19880021557
申请日期
1988.09.14
申请人
* GEC-MARCONI LIMITED
发明人
JOHN MARTIN * BAGSHAW;DONALD CLIVE * BOWLES
分类号
G02B5/28;G02B5/30;G02B27/00;G02B27/01;G02F1/133;G02F1/1335;G02F1/135;G09G3/02;H04N9/16
主分类号
G02B5/28
代理机构
代理人
主权项
地址
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