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发明名称
APPARATUS FOR BIOLOGICAL SEWAGE TREATMENT
摘要
申请公布号
PL131033(B3)
申请公布日期
1984.09.29
申请号
PL19800228200
申请日期
1980.12.01
申请人
发明人
分类号
C02F;C02F3/12;(IPC1-7):02F3/12
主分类号
C02F
代理机构
代理人
主权项
地址
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