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经营范围
发明名称
WAVELENGTH VARIABLE FILTER
摘要
申请公布号
JPH11119186(A)
申请公布日期
1999.04.30
申请号
JP19980211029
申请日期
1998.07.27
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
MATSUMOTO SHIRO;SAKATA SEIZO;SUGIYAMA YASUYUKI;HAYASHI TAKAYOSHI;HIRABAYASHI KATSUHIKO
分类号
G02B5/28;G02F1/13;G02F1/1333;G02F1/1334;(IPC1-7):G02F1/13;G02F1/133
主分类号
G02B5/28
代理机构
代理人
主权项
地址
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