Verlag: Coal Industry Press, 2000
ISBN 10: 7502024964 ISBN 13: 9787502024963
Anbieter: liu xing, Nanjing JiangSu, JS, China
paperback. Zustand: New. Paperback. Pub Date: 2004 07 Pages: 168 Language: Chinese in Publisher: Coal Industry Press technical training and examination of special operations personnel security refresher training series teaching materials: metal welding and cutting operations is based on its operating range and security technical review assessment requirements. prepared in accordance with the safety regulations and syllabus the financial basics actual operation as a whole. content. and strive to achieve complete. comp.