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发明名称
Perfectionnements aux hélices à pas variable à commande hydraulique
摘要
申请公布号
FR1195328(A)
申请公布日期
1959.11.17
申请号
FRD1195328
申请日期
1957.12.18
申请人
ROTOL LIMITED
发明人
分类号
B64C11/38
主分类号
B64C11/38
代理机构
代理人
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