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经营范围
发明名称
Apparatus for filtering air
摘要
申请公布号
US1899017(A)
申请公布日期
1933.02.28
申请号
US19260108224
申请日期
1926.05.11
申请人
AMERICAN AIR FILTER CO. INC.
发明人
DAUPHINEE GEORGE S.
分类号
B01D45/10
主分类号
B01D45/10
代理机构
代理人
主权项
地址
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