冲压工:石油石化职业技能鉴定试题集 - Tapa blanda

Petroleum and petrochemical Occupational Skill Testing questions set: stamping work(Chinese Edition)

paperback. Condición: New. Paperback. Pages Number The: 374 Language: Chinese petroleum and petrochemical Occupational Skill Testing Question set: Stamping workers by the China National Petroleum Corporation Occupational Skill Testing Guidance Center in accordance with the grading standards of the professional qualification of the stamping work. preparation of the unified organization of the petroleum and petrochemical vocational a Skill Testing Question Set. Test set: Occupational Skill Testing for petroleum and petro. Nº de ref. del artículo: MY9468

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