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发明名称
CHROMA-KEY UNIT
摘要
申请公布号
JPS6266791(A)
申请公布日期
1987.03.26
申请号
JP19860215621
申请日期
1986.09.12
申请人
GRASS VALLEY GROUP INC
发明人
KURISUTOFUA AARU HANSEN
分类号
H04N9/75
主分类号
H04N9/75
代理机构
代理人
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