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发明名称
LIGNOSULPHONATE-FORMALDEHYDE CONDENSATION PRODUCTS AS ADDITIVES IN OIL RECOVERY PROCESSES INVOLVING CHEMICAL RECOVERY AGENTS
摘要
申请公布号
GB2044821(A)
申请公布日期
1980.10.22
申请号
GB19790037626
申请日期
1979.10.31
申请人
TEXACO DEVELOPMENT CORP
发明人
分类号
C09K8/90;(IPC1-7):E21B43/22
主分类号
C09K8/90
代理机构
代理人
主权项
地址
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