Vendeur : liu xing, Nanjing, JS, Chine
paperback. Etat : New. Paperback Pages Number: 340 Language: Chinese. Vocational skills training tutorials and identification of the questions set: injection pump workers (Vol.2) prepared by the Personnel Service Center of China National Petroleum Corporation. according to the national occupational standards for oil production workers. unified organization a vocational skills training tutorials and identification of questions set. The book includes the contents of the two levels of senior workers and technicians of. N° de réf. du vendeur MY8682
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