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经营范围
发明名称
Hélicoptère à hélices multiples
摘要
申请公布号
FR809963(A)
申请公布日期
1937.03.12
申请号
FRD809963
申请日期
1936.06.06
申请人
发明人
BERGIER HENRI
分类号
B64C27/04
主分类号
B64C27/04
代理机构
代理人
主权项
地址
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