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发明名称
摘要
申请公布号
FR2425086(B1)
申请公布日期
1982.03.26
申请号
FR19780013166
申请日期
1978.05.03
申请人
TELECOMMUNICATIONS SA
发明人
分类号
G02B23/08;G02B27/64;(IPC1-7):G02B23/00;G02B27/17
主分类号
G02B23/08
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