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经营范围
发明名称
TREATING SEWAGE
摘要
申请公布号
GB8507921(D0)
申请公布日期
1985.05.01
申请号
GB19850007921
申请日期
1985.03.27
申请人
HAIGH ENG CO LTD
发明人
分类号
B01D29/00;B01D36/04
主分类号
B01D29/00
代理机构
代理人
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