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经营范围
发明名称
Etalon arrangement
摘要
申请公布号
GB9615302(D0)
申请公布日期
1996.09.04
申请号
GB19960015302
申请日期
1996.07.20
申请人
NORTHERN TELECOM LIMITED
发明人
分类号
G02B26/00;G02F1/03;G02F1/21;H01S3/13;H01S5/0687
主分类号
G02B26/00
代理机构
代理人
主权项
地址
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