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发明名称
OPTICAL VIEWING APPARATUS
摘要
申请公布号
GB2178863(A)
申请公布日期
1987.02.18
申请号
GB19850019730
申请日期
1985.08.06
申请人
* FERRANTI PLC
发明人
HILLIARY GIL * SILLITTO
分类号
G02B23/10;G02B23/14;(IPC1-7):G02B23/10
主分类号
G02B23/10
代理机构
代理人
主权项
地址
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