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发明名称
摘要
申请公布号
FR2281023(B1)
申请公布日期
1982.05.07
申请号
FR19750024223
申请日期
1975.08.04
申请人
POST OFFICE
发明人
分类号
H04N7/32;H04N7/36;(IPC1-7):04N7/10;04M11/06;04B1/66
主分类号
H04N7/32
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