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发明名称
Optical waveguide device
摘要
申请公布号
EP1136856(B1)
申请公布日期
2003.10.29
申请号
EP20010302733
申请日期
2001.03.23
申请人
NGK INSULATORS, LTD.
发明人
ICHIGI, TAKENORI
分类号
G02B6/122;G02B6/30;(IPC1-7):G02B6/30
主分类号
G02B6/122
代理机构
代理人
主权项
地址
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