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经营范围
发明名称
écran pour ventilateur
摘要
申请公布号
FR824791(A)
申请公布日期
1938.02.16
申请号
FRD824791
申请日期
1937.07.24
申请人
发明人
MOMBELET LEON
分类号
F04D29/70
主分类号
F04D29/70
代理机构
代理人
主权项
地址
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