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发明名称
Procédé et appareil pour l'indication des modifications des caractéristiques dynamiques des hélices à pas variable ou à pas et diamètre variables
摘要
申请公布号
FR812942(A)
申请公布日期
1937.05.20
申请号
FRD812942
申请日期
1936.01.25
申请人
发明人
COUSIN JEAN JACQUES BIENAIME
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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