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发明名称
OPTICAL AMPLIFIER
摘要
申请公布号
JPH04147226(A)
申请公布日期
1992.05.20
申请号
JP19900270472
申请日期
1990.10.11
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
KIKUSHIMA KOJI
分类号
G02F1/35
主分类号
G02F1/35
代理机构
代理人
主权项
地址
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