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发明名称
Systèmes optiques comportant un ou plusieurs éléments coniques
摘要
申请公布号
FR1088658(A)
申请公布日期
1955.03.09
申请号
FRD1088658
申请日期
1953.09.11
申请人
N. V. OPTISCHE INDUSTRIE DE OUDE DELFT
发明人
分类号
G02B17/08
主分类号
G02B17/08
代理机构
代理人
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