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Vocational skills training tutorials. and identification of questions set: oil workers (Vol.2)(Chinese Edition)

paperback. Condición: New. Paperback Pages Number: 520 Language: Chinese. Vocational skills training tutorials and identification of the questions set: oil workers (Vol.2) by the Personnel Service Center of China National Petroleum Corporation. according to oil and gas transportation work national occupational standards. unified organization one prepared by the vocational skills training tutorials. and identification of the questions set. The book contains the advanced workers of the oil workers. technicians and senior. Nº de ref. del artículo: N45101

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