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发明名称
COMPOSICAO DESESPUMANTE,PROCESSO DE DIMINUICAO DE ESPUMA FORMADA EM MISTURA DE SOLUCAO SALINA E FLUIDO DE SERVICO PARA POCOS
摘要
申请公布号
BR8206212(A)
申请公布日期
1983.09.20
申请号
BR19828206212
申请日期
1982.10.25
申请人
NL INDUSTRIES INC.
发明人
MICHAEL H.HOFF
分类号
B01D19/04;C09K8/06;(IPC1-7):C09K7/02
主分类号
B01D19/04
代理机构
代理人
主权项
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