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经营范围
发明名称
Perfectionnements aux ventilateurs
摘要
申请公布号
FR62798(E)
申请公布日期
1955.06.20
申请号
FRD62798
申请日期
1952.05.07
申请人
COMPAGNIE FRANCAISE THOMSON-HOUSTON
发明人
分类号
F04D29/52
主分类号
F04D29/52
代理机构
代理人
主权项
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