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发明名称
An improved device for cleaning fan wheels, pumps or like machines
摘要
申请公布号
GB468619(A)
申请公布日期
1937.07.08
申请号
GB19370009669
申请日期
1937.04.05
申请人
AKTIEBOLAGET SVENSKA FLAEKTFABRIKEN
发明人
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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