题集 石油金属结构制作工（下册） - Tapa blanda

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

paperback. Condición: New. Paperback Pages Number: 524 Language: Chinese. Vocational skills training tutorials and identification of the questions set: Petroleum metal structure fabrication workers (Vol.2) by the Personnel Service Center of China National Petroleum Corporation. according to the oil and metal structure production workers labor skills grading standards. prepared by the unified organization of vocational skills training tutorials. and identification of questions set in a. Vocational skills training course. Nº de ref. del artículo: MY9607

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