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发明名称
OPTICAL DEVICES
摘要
申请公布号
GB1551724(A)
申请公布日期
1979.08.30
申请号
GB19750036141
申请日期
1976.09.06
申请人
POST OFFICE
发明人
分类号
G02F3/02;H01S3/106;(IPC1-7):H01S3/11
主分类号
G02F3/02
代理机构
代理人
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