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发明名称
Perfectionnements aux ventilateurs centrifuges
摘要
申请公布号
FR1259005(A)
申请公布日期
1961.04.21
申请号
FR19606940227
申请日期
1960.03.11
申请人
发明人
COURTIAL ROBERT
分类号
F04D29/62
主分类号
F04D29/62
代理机构
代理人
主权项
地址
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