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发明名称
MEJORAS EN PORTACHUMACERA PARA BOMBAS DE POZO PROFUNDO
摘要
申请公布号
MX161287(A)
申请公布日期
1990.08.29
申请号
MX19840203350
申请日期
1984.11.12
申请人
CARLOS MAYER ORTIZ
发明人
CARLOS MAYER ORTIZ
分类号
E21B12/00;F04F1/00;(IPC1-7):E21B12/00
主分类号
E21B12/00
代理机构
代理人
主权项
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