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发明名称
DISPOSITIF DE COMMUTATION OPTIQUE A ASSERVISSEMENT
摘要
申请公布号
FR2516727(B1)
申请公布日期
1985.05.31
申请号
FR19810021326
申请日期
1981.11.13
申请人
POPHILLAT LUCIEN
发明人
分类号
G02B6/35;H04Q3/52;(IPC1-7):H04B9/00;G02B7/26
主分类号
G02B6/35
代理机构
代理人
主权项
地址
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