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发明名称
Système optique convergent.
摘要
申请公布号
CH259508(A)
申请公布日期
1949.01.31
申请号
CHD259508
申请日期
1945.07.10
申请人
COMBINED OPTICAL INDUSTRIES LIMITED
发明人
LIMITED COMBINED OPTICAL INDUSTRIES
分类号
G02B13/18
主分类号
G02B13/18
代理机构
代理人
主权项
地址
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