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发明名称
Centrifugal dust arrester
摘要
申请公布号
US1743171(A)
申请公布日期
1930.01.14
申请号
US19290358068
申请日期
1929.04.25
申请人
THE BARTLETT HAYWARD COMPANY
发明人
WAGNER FREDERICK H.
分类号
B04C3/00
主分类号
B04C3/00
代理机构
代理人
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地址
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