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经营范围
发明名称
PORTABLE AIR FILTRATION DEVICE
摘要
申请公布号
GB8406264(D0)
申请公布日期
1984.04.11
申请号
GB19840006264
申请日期
1984.03.09
申请人
ENVIROCOR LTD
发明人
分类号
B01D46/12;B01D46/42;F24F3/16;(IPC1-7):F24F3/16
主分类号
B01D46/12
代理机构
代理人
主权项
地址
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