Spese di spedizione:
EUR 13,96
Da: Cina a: U.S.A.
Descrizione libro paperback. Condizione: New. Paperback. Pub Date :2014-04-01 Pages: 89 Language: Chinese Publisher: Coal Industry Press mine ventilation workers in the coal industry to identify specific types of vocational skills training in the practical operation of recommended materials to the mine ventilation work is based on the National Occupational Standards. Mine Ventilation workers in the coal industry to identify specific types of vocational skills training in the practical operation of recommended materials were introduced mi. Codice articolo BX066554