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发明名称
ECHELON DIFFRACTION GRATING AND OPTICAL WAVEGUIDE ELEMENT
摘要
申请公布号
EP1118884(A4)
申请公布日期
2005.04.06
申请号
EP20000948292
申请日期
2000.08.01
申请人
NIPPON SHEET GLASS CO., LTD.
发明人
NAKAMURA, KOICHIRO;HORI, MASAHIRO;YAMAMOTO, HIROAKI
分类号
G02B1/04;G02B5/18;G02B6/138;(IPC1-7):G02B5/18;G02B6/12
主分类号
G02B1/04
代理机构
代理人
主权项
地址
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