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发明名称
Improvements in or relating to devices for viewing transparent objects
摘要
申请公布号
GB701653(A)
申请公布日期
1953.12.30
申请号
GB19510016236
申请日期
1951.07.09
申请人
N.V. OPTISCHE INDUSTRIE "DE OUDE DELFT"
发明人
分类号
G02B27/02;G02B27/28
主分类号
G02B27/02
代理机构
代理人
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