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经营范围
发明名称
LOW OUTPUT BIOLOGICAL-CHEMICAL SEWAGE TREATMENT PLANT
摘要
申请公布号
PL109027(B2)
申请公布日期
1980.05.31
申请号
PL19780209380
申请日期
1978.09.01
申请人
发明人
分类号
(IPC1-7):C02C1/02
主分类号
(IPC1-7):C02C1/02
代理机构
代理人
主权项
地址
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