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Vocational skills training tutorials and the identification of questions set: oil and gas field water treatment workers (Vol.2)(Chinese Edition) - Softcover
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Vocational skills training tutorials and the identification of questions set: oil and gas field water treatment workers (Vol.2)(Chinese Edition)
Seller: liu xing, Nanjing, JS, China
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paperback. Condition: New. Paperback Pages Number: 267 Language: Chinese. Vocational skills training tutorials and the identification of questions set: oil and gas field water treatment workers (Vol.2) Personnel Service Center of China National Petroleum Corporation. based on oil and gas transportation workers the national occupational standards. unified organization one prepared by the vocational skills training tutorials. and identification of the questions set. Vocational skills training courses and identification o. Seller Inventory # MY9523