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经营范围
发明名称
Air filtering apparatus
摘要
申请公布号
GB618685(A)
申请公布日期
1949.02.25
申请号
GB19460026960
申请日期
1946.09.07
申请人
ALBERT NOEL BRAND
发明人
分类号
B01D46/04
主分类号
B01D46/04
代理机构
代理人
主权项
地址
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