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经营范围
发明名称
Perfectionnements relatifs aux dispositifs de réglage du débit des ventilateurs ou pompes centrifuges.
摘要
申请公布号
BE604058(A1)
申请公布日期
1961.09.18
申请号
BE19610604058
申请日期
1961.05.19
申请人
DAVIDSON & CO. LIMITED
发明人
分类号
(IPC1-7):F04D
主分类号
(IPC1-7):F04D
代理机构
代理人
主权项
地址
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