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发明名称
Video difference key generator.
摘要
申请公布号
EP0264965(B1)
申请公布日期
1994.03.02
申请号
EP19870115625
申请日期
1987.10.23
申请人
THE GRASS VALLEY GROUP, INC.
发明人
BARNETT, RONNIE D.;PARKES, STEVEN M.
分类号
H04N5/272;H04N5/275;H04N5/278;H04N5/445;H04N7/18;H04N9/75;(IPC1-7):H04N5/275
主分类号
H04N5/272
代理机构
代理人
主权项
地址
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