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经营范围
发明名称
Air impurity remover
摘要
申请公布号
US2574552(A)
申请公布日期
1951.11.13
申请号
US19490091376
申请日期
1949.05.04
申请人
AKTIEBOLAGET SEPARATOR
发明人
ERLING SVEN JOHAN
分类号
A01J7/00
主分类号
A01J7/00
代理机构
代理人
主权项
地址
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