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发明名称
Perfectionnements apportés à l'attelage des pales sur leur moyeu d'entraînement dans les hélicoptères et autres appareils ou dispositifs à pales tournantes
摘要
申请公布号
FR998541(A)
申请公布日期
1952.01.21
申请号
FRD998541
申请日期
1945.10.24
申请人
发明人
CASSY RAYMOND;JAYER PIERRE
分类号
B64C27/45
主分类号
B64C27/45
代理机构
代理人
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