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发明名称
Improvements in or relating to centrifugal fans
摘要
申请公布号
GB342065(A)
申请公布日期
1931.01.29
申请号
GB19290037268
申请日期
1929.12.05
申请人
JAMES KEITH & BLACKMAN COMPANY LIMITED;GEORGE KEITH
发明人
分类号
F04D17/16;F04D29/28
主分类号
F04D17/16
代理机构
代理人
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