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经营范围
发明名称
OPTICAL WAVEGUIDE DEVICE
摘要
申请公布号
EP1348992(B1)
申请公布日期
2008.08.20
申请号
EP20010273335
申请日期
2001.11.28
申请人
SUMITOMO OSAKA CEMENT CO., LTD.
发明人
MIYAMA, YASUYUKI;NAGATA, HIROTOSHI;SAKAMOTO, TOSHIHIRO
分类号
G02F1/03;G02B6/12;G02F1/035
主分类号
G02F1/03
代理机构
代理人
主权项
地址
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