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发明名称
COMPOSICION OBTURANTE PERMANENTE PARA POZOS PETROLEROS
摘要
申请公布号
MX161847(A)
申请公布日期
1991.01.21
申请号
MX19820194244
申请日期
1982.09.02
申请人
INSTITUTO MEXICANO DEL PETROLEO
发明人
ANDRES ANGELES HERNANDEZ;ENRIQUE MUNOZ HERRA;ALICIA MUNOZ H.;CARLOS ISLAS SILVA
分类号
E21B43/22;E21B43/27;(IPC1-7):E21B43/22
主分类号
E21B43/22
代理机构
代理人
主权项
地址
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