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发明名称
Perfectionnements apportés aux turbo-machines telles que ventilateurs et soufflantes
摘要
申请公布号
FR1003749(A)
申请公布日期
1952.03.21
申请号
FRD1003749
申请日期
1947.02.20
申请人
AMELIORAIR S. A.
发明人
分类号
F04D29/52
主分类号
F04D29/52
代理机构
代理人
主权项
地址
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