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发明名称
Improvements in and relating to blower impellers and methods of manufacturing same
摘要
申请公布号
GB551904(A)
申请公布日期
1943.03.15
申请号
GB19410015433
申请日期
1941.12.01
申请人
JOHANN FUELLEMANN
发明人
分类号
F04D29/28
主分类号
F04D29/28
代理机构
代理人
主权项
地址
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