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发明名称
OPTICAL SWITCH
摘要
申请公布号
JPH0534714(A)
申请公布日期
1993.02.12
申请号
JP19910187807
申请日期
1991.07.26
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
KOGA MASABUMI
分类号
G02F1/03;G02F1/13;G02F1/1347;G02F1/31
主分类号
G02F1/03
代理机构
代理人
主权项
地址
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