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发明名称
Carte géographique en forme de sphère constituée par une enveloppe flexible et inextensible et par une chambre à air gonflable, comportant une échelle géographique mobile
摘要
申请公布号
FR1009105(A)
申请公布日期
1952.05.26
申请号
FRD1009105
申请日期
1950.01.25
申请人
发明人
LANDINI ADELMO
分类号
G09B27/08
主分类号
G09B27/08
代理机构
代理人
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