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发明名称
PROCESS FOR BIOLOGICAL SEWAGE TREATMENT
摘要
申请公布号
PL115056(B2)
申请公布日期
1981.03.31
申请号
PL19790213835
申请日期
1979.02.28
申请人
发明人
分类号
(IPC1-7):C02C1/06
主分类号
(IPC1-7):C02C1/06
代理机构
代理人
主权项
地址
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