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经营范围
发明名称
Improvement in filter
摘要
申请公布号
GB586427(A)
申请公布日期
1947.03.18
申请号
GB19450013555
申请日期
1945.05.30
申请人
SAMUEL ALSOP
发明人
分类号
B01D29/41
主分类号
B01D29/41
代理机构
代理人
主权项
地址
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