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发明名称
OPTICAL CORE SWITCHING DEVICE
摘要
申请公布号
JPH04298707(A)
申请公布日期
1992.10.22
申请号
JP19910064614
申请日期
1991.03.28
申请人
SUMITOMO ELECTRIC IND LTD;NIPPON TELEGR & TELEPH CORP <NTT>;SUMIDEN OPCOM KK
发明人
MIZUNO SHUNICHI;UEKI MUNEAKI;TOMITA NOBUO;ARIMOTO KAZUHIKO
分类号
G02B6/36
主分类号
G02B6/36
代理机构
代理人
主权项
地址
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