ISBN: 9787502174675 - 石油石化职业技能鉴定试题 地层测试工 (1 resultados)
Occupational Skill Testing Question of petroleum and petrochemical set: pipe network maintenance work(Chinese Edition)
ZHONG GUO SHI YOU TIAN RAN QI JI TUAN GONG SI ZHI YE JI NENG JIAN DING ZHI DAO ZHONG XIN
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Librería: liu xing, Nanjing, JS, Chinaliu xing
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EUR 60,77
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paperback. Condición: New. Paperback Pages Number: 266 Language: Chinese petroleum and petrochemical Occupational Skill Testing Question set: pipe network maintenance work is based on the pipe network maintenance workers vocational qualification level standards by the China National Petroleum Corporation Occupational Skill Testing Guidance Center. the unified organization of the preparation of Occupational Skill Testing Authority of the petroleum and petrochemical questions set in a. Petroleum and petrochemical Occupat.…
