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经营范围
发明名称
Dispositif assurant la stabilité des appareils volants
摘要
申请公布号
FR49917(E)
申请公布日期
1939.09.22
申请号
FRD49917
申请日期
1938.09.06
申请人
发明人
LACHATRE LOUIS
分类号
B64C39/00
主分类号
B64C39/00
代理机构
代理人
主权项
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