Vendeur : liu xing, Nanjing, JS, Chine
paperback. Etat : New. Language:Chinese.Paperback. Pub Date: 2015-08-01 Pages: 147 Publisher: China Petrochemical Press book based on chemical testing work national occupational standards to prepare mid-level job requirements. content and vocational skills certification exam convergence assessment identified a selection of questions covering professional ethics. safety and environmental protection. basic chemistry. chemical analysis and instrumental analysis and so on. Problem types include multiple choice. multipl. N° de réf. du vendeur CX027392
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