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发明名称
OPTICAL SWITCHING ARRANGEMENT
摘要
申请公布号
GB8702997(D0)
申请公布日期
1987.03.18
申请号
GB19870002997
申请日期
1987.02.10
申请人
PLESSEY CO PLC
发明人
分类号
G02B6/28;H04Q3/52
主分类号
G02B6/28
代理机构
代理人
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地址
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