Vocational skills training course set with the identification of questions and analysis tools (Vol.2): Natural Gas Purification - Tapa blanda

Vocational skills training course set with the identification of questions and analysis tools (Vol.2): Natural Gas Purification(Chinese Edition)

paperback. Condición: New. Paperback Pages Number: 320 Language: Chinese vocational skills training. tutorials and identification of questions set: natural gas purification analysis tools (Vol.2) by the China National Petroleum Corporation personnel service center. based on national occupational standards of the natural gas net chemical. unified prepared by the organization of vocational skills training tutorials. and identification of questions set in a. It includes analysis tools senior workers. technicians and senio. Nº de ref. del artículo: MY9624

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