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经营范围
发明名称
Système de diaphragmes pour la projection optico-panoramique
摘要
申请公布号
FR1487889(A)
申请公布日期
1967.07.07
申请号
FR19660071106
申请日期
1966.07.27
申请人
VOLPI A G.
发明人
分类号
G03B37/00
主分类号
G03B37/00
代理机构
代理人
主权项
地址
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