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发明名称
Apparatus and method of controlling fans
摘要
申请公布号
US1787655(A)
申请公布日期
1931.01.06
申请号
US19290364290
申请日期
1929.05.18
申请人
AMERICAN BLOWER CORPORATION
发明人
ANDERSON EDWARD L.
分类号
F04D27/02
主分类号
F04D27/02
代理机构
代理人
主权项
地址
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