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发明名称
THE METHOD OF OIL REMOVAL FROM WATER AND SEWERS
摘要
申请公布号
PL149523(B1)
申请公布日期
1990.02.28
申请号
PL19860263449
申请日期
1986.12.31
申请人
发明人
分类号
C02F;C02F1/40;(IPC1-7):C02F1/40
主分类号
C02F
代理机构
代理人
主权项
地址
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