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经营范围
发明名称
ACTIVE OPTICAL FIBRE STAR COUPLERS
摘要
申请公布号
GB8807274(D0)
申请公布日期
1988.04.27
申请号
GB19880007274
申请日期
1988.03.26
申请人
STC PLC
发明人
分类号
G02B6/28;H01S3/067
主分类号
G02B6/28
代理机构
代理人
主权项
地址
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