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经营范围
发明名称
Production of non-bulking activated sludge
摘要
申请公布号
USRE32429(E)
申请公布日期
1987.06.02
申请号
US19840593531
申请日期
1984.03.26
申请人
发明人
分类号
C02F3/12;C02F3/30;C02F3/34
主分类号
C02F3/12
代理机构
代理人
主权项
地址
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