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发明名称
Hélicoptère
摘要
申请公布号
FR931109(A)
申请公布日期
1948.02.13
申请号
FRD931109
申请日期
1946.07.11
申请人
发明人
MALLET JEAN-MAURICE
分类号
B64C27/04
主分类号
B64C27/04
代理机构
代理人
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