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发明名称
DIGITAL VIDEO EFFECTS SYSTEM EMPLOYING A CHROMA-KEY TRACKING TECHNIQUE
摘要
申请公布号
GB2001824(A)
申请公布日期
1979.02.07
申请号
GB19780029397
申请日期
1978.07.11
申请人
NIPPON ELECTRIC CO LTD
发明人
分类号
H04N5/275;H04N9/75;(IPC1-7):H04N5/22
主分类号
H04N5/275
代理机构
代理人
主权项
地址
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