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CNO-79 (es)
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743 — Operadores de aparatos de filtración y separación
Descendants
Code
Description
74320
Operador de filtro-prensa
74330
Operador de filtro de tambor giratorio
74340
Operador de centrifugadora
74350
Operador del tratamiento del petróleo crudo (campos de extracción)
74390
Otros operadores de aparatos