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发明名称
WAVELENGTH DIVISION OPTICAL SWITCH
摘要
申请公布号
JPH01136494(A)
申请公布日期
1989.05.29
申请号
JP19870294170
申请日期
1987.11.24
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
SHIMAZU YOSHIHIRO
分类号
H04Q3/52
主分类号
H04Q3/52
代理机构
代理人
主权项
地址
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