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经营范围
发明名称
FILTERING APPARATUS
摘要
申请公布号
GB1598260(A)
申请公布日期
1981.09.16
申请号
GB19780012457
申请日期
1978.03.30
申请人
ENVIROTECH CORP
发明人
分类号
B01D25/19;B01D37/04;(IPC1-7):B01D25/12;B01D25/14
主分类号
B01D25/19
代理机构
代理人
主权项
地址
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