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经营范围
发明名称
Dispositif de projection donnant l'illusion du pilotage en avion
摘要
申请公布号
FR998592(A)
申请公布日期
1952.01.21
申请号
FRD998592
申请日期
1948.08.30
申请人
发明人
BARBIER PAUL-JULES-NOE:L
分类号
G09B9/30
主分类号
G09B9/30
代理机构
代理人
主权项
地址
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