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发明名称
Optisk system med et sfærisk spejl, en blænder og et korrektionselement.
摘要
申请公布号
DK72841(C)
申请公布日期
1951.07.30
申请号
DK19500000719
申请日期
1942.07.04
申请人
N. V. OPTISCHE INDUSTRIE >>DE OUDE DELFT<<
发明人
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主分类号
代理机构
代理人
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