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经营范围
发明名称
BACKWASHING FILTER
摘要
申请公布号
GB2074885(B)
申请公布日期
1983.07.27
申请号
GB19810011720
申请日期
1981.04.13
申请人
BRITISH SIDAC LTD
发明人
分类号
B01D29/15;(IPC1-7):B01D29/38
主分类号
B01D29/15
代理机构
代理人
主权项
地址
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