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发明名称
OPTICAL FILTERS
摘要
申请公布号
GB2223324(B)
申请公布日期
1992.06.17
申请号
GB19880023078
申请日期
1988.09.30
申请人
* STC PLC;* NORTHERN TELECOM EUROPE LIMITED
发明人
STEPHEN * DAY
分类号
G02B5/28;G02B27/28
主分类号
G02B5/28
代理机构
代理人
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地址
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