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Evaluation du vendeur
Edité par Science Press, 1991
ISBN 10 : 7030095294ISBN 13 : 9787030095299
Vendeur : liu xing, Nanjing JiangSu, JS, Chine
Livre
paperback. Etat : New. Language:Chinese.Paperback. Publisher: Science out.
Edité par China University of Mining Press, 2011
ISBN 10 : 7564610174ISBN 13 : 9787564610173
Vendeur : liu xing, Nanjing JiangSu, JS, Chine
Livre
paperback. Etat : New. Paperback. Pub Date :2011-09-01 Pages: 165 Language: Chinese Publisher: China University of Mining Press mine workers vocational training Exam Series: Blasters skills training exam is mine workers vocational skills training exam books One. is based on the State Administration of Production Safety Supervision issued the Coal Mine Safety and Technical Training Outline blasting and assessment standards. about the safety of production blasting and mining (or boring) aspects of the laws. regulatio.