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发明名称
OPTICAL FIBRE ATTENUATORS
摘要
申请公布号
GB8503960(D0)
申请公布日期
1985.03.20
申请号
GB19850003960
申请日期
1985.02.15
申请人
PLESSEY CO PLC
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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