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发明名称
Perfectionnements apportés aux télescopes et caméras
摘要
申请公布号
FR999634(A)
申请公布日期
1952.02.04
申请号
FRD999634
申请日期
1949.11.16
申请人
N. V. OPTISCHE INDUSTRIE
发明人
分类号
G02B17/04;G02B17/08
主分类号
G02B17/04
代理机构
代理人
主权项
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