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发明名称
OPTICAL FIBRE COUPLER COMPRISING GROOVED SUBSTRATES
摘要
申请公布号
GB9013879(D0)
申请公布日期
1990.08.15
申请号
GB19900013879
申请日期
1990.06.21
申请人
FUJIKURA LTD
发明人
分类号
G02B6/28
主分类号
G02B6/28
代理机构
代理人
主权项
地址
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