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发明名称
OPTICAL SWITCH
摘要
申请公布号
JPH01267610(A)
申请公布日期
1989.10.25
申请号
JP19880095646
申请日期
1988.04.20
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
IKEDA MASAHIRO
分类号
G02F1/025;G02F1/015
主分类号
G02F1/025
代理机构
代理人
主权项
地址
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