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National Workers' intermediate technology assessment training materials: welders(Chinese Edition)

paperback. Condición: New. Paperback. Pub Date: 2012 Pages: 404 Language: Chinese in Publisher: China Labor and Social Security Publishing House National Workers' intermediate technology assessment training materials: Welder reference Intermediate knowledge and skills requirements of the national occupational standards - welders. in the preparation of abandon the outmoded process. new knowledge. The main content of the book include: welded structure manufacturing process. the formation and properties of welded joints. . Nº de ref. del artículo: CC043387

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