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发明名称
OPTICAL APPARATUS
摘要
申请公布号
GB1567319(A)
申请公布日期
1980.05.14
申请号
GB19760047865
申请日期
1977.11.16
申请人
RANK ORGANISATION LED
发明人
分类号
G02B26/12;(IPC1-7):G02B27/17
主分类号
G02B26/12
代理机构
代理人
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