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发明名称
Centrifugal fans
摘要
申请公布号
US3285501(A)
申请公布日期
1966.11.15
申请号
US19640416216
申请日期
1964.12.07
申请人
MCDONALD JOHN E
发明人
MCDONALD JOHN E.
分类号
F04D29/16;F04D29/42
主分类号
F04D29/16
代理机构
代理人
主权项
地址
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