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发明名称
IMPROVED ADVANCED COMPATIBLE TELEVISION(ACTV)SYSTEM
摘要
申请公布号
GB8929143(D0)
申请公布日期
1990.02.28
申请号
GB19890029143
申请日期
1989.12.22
申请人
GENERAL ELECTRIC COMPANY
发明人
分类号
H04N7/00;H04N7/015;H04N11/24
主分类号
H04N7/00
代理机构
代理人
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地址
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