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经营范围
发明名称
Optical switching apparatus
摘要
申请公布号
GB0119995(D0)
申请公布日期
2001.10.10
申请号
GB20010019995
申请日期
2001.08.16
申请人
MARCONI CASWELL LIMITED
发明人
分类号
G02B6/35
主分类号
G02B6/35
代理机构
代理人
主权项
地址
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