9787502176983 - 【二手95成新】石油石化职业技能鉴定试题集：采气测试工 中国石油天然气集团公司职业技能鉴定指导中心 9787502176983 石油工业出版社 (1 resultados)
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Petroleum and petrochemical Occupational Skill Testing Question set: gas production test 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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paperback. Condición: New. Paperback Pages. Number: 363 Language: Chinese petroleum and petrochemical vocational skills identification questions set: gas production test work is based on gas production test work professional qualification level standards by the China National Petroleum Corporation Occupational Skill Testing Cent…er. the unified organization of written Occupational Skill Testing Authority of the petroleum and petrochemical questions set in a. Petroleum and petrochemical Occupational Skill Testing Questio.
