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发明名称
TRATMENT OF SEWAGE BY OXYGENATION
摘要
申请公布号
GB1573312(A)
申请公布日期
1980.08.20
申请号
GB19760014330
申请日期
1976.04.08
申请人
BOC INTERNATIONAL LTD
发明人
分类号
C02F3/12;C02F3/20;C02F3/26;(IPC1-7):02F3/00
主分类号
C02F3/12
代理机构
代理人
主权项
地址
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