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发明名称
METHOD OF ISOLATING PETROLEUM PRODUCTS FROM REFFINERY WASTE-WATER SLUDGES
摘要
申请公布号
PL152077(B1)
申请公布日期
1990.11.30
申请号
PL19860262345
申请日期
1986.11.12
申请人
发明人
分类号
C02F;C10G1/02;(IPC1-7):C10G1/02
主分类号
C02F
代理机构
代理人
主权项
地址
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