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经营范围
发明名称
Ceiling ventilator
摘要
申请公布号
US2972896(A)
申请公布日期
1961.02.28
申请号
US19570697991
申请日期
1957.11.21
申请人
N.V. INDUSTRIELE ONDERNEMING W. H. BRASKAMP
发明人
BRASKAMP WILLEM HENDRIK
分类号
F04D25/10
主分类号
F04D25/10
代理机构
代理人
主权项
地址
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