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发明名称
OPTICAL DEVICES
摘要
申请公布号
GB8709336(D0)
申请公布日期
1987.05.28
申请号
GB19870009336
申请日期
1987.04.21
申请人
GENERAL ELECTRIC CO PLC
发明人
分类号
G02B27/28;G03H1/04
主分类号
G02B27/28
代理机构
代理人
主权项
地址
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