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经营范围
发明名称
Apparatus for filtering air
摘要
申请公布号
US2633929(A)
申请公布日期
1953.04.07
申请号
US19480045936
申请日期
1948.08.24
申请人
FARR COMPANY
发明人
FARR RICHARD S.
分类号
B01D46/12
主分类号
B01D46/12
代理机构
代理人
主权项
地址
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