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发明名称
Perfectionnement à la commande de changement de pas des helices coaxiales à vitesse indépendante
摘要
申请公布号
FR973581(A)
申请公布日期
1951.02.12
申请号
FRD973581
申请日期
1941.09.30
申请人
FORGE ET USINAGE DE METAUX LEGERS
发明人
DUCHAUSSOY CAMILLE-CHARLES;GROSJEAN MARCEL
分类号
B64C11/30
主分类号
B64C11/30
代理机构
代理人
主权项
地址
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