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经营范围
发明名称
Bragg gratings in waveguides
摘要
申请公布号
GB9509932(D0)
申请公布日期
1995.07.12
申请号
GB19950009932
申请日期
1995.05.17
申请人
NORTHERN TELECOM LIMITED
发明人
分类号
G02B6/134;G03F1/00
主分类号
G02B6/134
代理机构
代理人
主权项
地址
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