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发明名称
ARRAY WAVEGUIDE DIFFRACTION GRATING TYPE OPTICAL MULTIPLEXER/BRANCHING FILTER
摘要
申请公布号
EP1437611(B8)
申请公布日期
2012.03.21
申请号
EP20020802002
申请日期
2002.10.09
申请人
NIPPON TELEGRAPH AND TELEPHONE CORPORATION;NTT ELECTRONICS CORPORATION
发明人
HIDA, YASUHIRO;INOUE, YASUYUKI;KOMINATO, TOSHIUMI
分类号
G02B6/293;G02B6/34
主分类号
G02B6/293
代理机构
代理人
主权项
地址
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