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经营范围
发明名称
Planar lightwave circuit type variable optical attenuator
摘要
申请公布号
EP1278098(A3)
申请公布日期
2005.02.02
申请号
EP20020014946
申请日期
2002.07.08
申请人
SUMITOMO ELECTRIC INDUSTRIES, LTD.
发明人
HATAYAMA, HITOSHI;HIROSE, CHISAI
分类号
G02B6/12;G02F1/01;G02F1/225;(IPC1-7):G02F1/225
主分类号
G02B6/12
代理机构
代理人
主权项
地址
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