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发明名称
摘要
申请公布号
FR2058207(A1)
申请公布日期
1971.05.28
申请号
FR19700029566
申请日期
1970.08.11
申请人
MARCONI CY LTD
发明人
分类号
H04N3/24;H04N3/26;H04N5/228;(IPC1-7):H04N5/00
主分类号
H04N3/24
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