Edité par Coal Industry Publishing House Pub. Date :2008-11, 2008
ISBN 10 : 7502033750 ISBN 13 : 9787502033750
Vendeur : liu xing, Nanjing JiangSu, JS, Chine
paperback. Etat : New. Language:Chinese.Pages Number: 112 Publisher: Coal Industry Press Pub. Date :2008-11. Book is to improve the metallurgical production quality and safety of employees the ability. for the protection of metallurgical production safety and production. the prevention of various types of metallurgical production.