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经营范围
发明名称
All-optical switch
摘要
申请公布号
EP0718669(A3)
申请公布日期
1996.12.04
申请号
EP19950119591
申请日期
1995.12.12
申请人
NEC CORPORATION
发明人
TAJIMA, KAZUHITO
分类号
G02B6/12;G02F1/21;G02F1/225;G02F1/313;G02F1/35;G02F3/00;(IPC1-7):G02F1/35
主分类号
G02B6/12
代理机构
代理人
主权项
地址
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