Edité par Coal Industry Publishing House Pub. Date :1999-11, 2000
ISBN 10 : 7502018123 ISBN 13 : 9787502018122
Vendeur : liu xing, Nanjing JiangSu, JS, Chine
paperback. Etat : New. Language:Chinese.Pages Number: 57 Publisher: Coal Industry Press Pub. Date: 1999 - 11 miners reading: This book is a coal mine worker safety knowledge popularization books. Include: underground blasting and safety. explosive materials. including what rock and coal-TNT explosives explosives. explosive performance of several explosions and so on. Contents: Table of Contents Section underground blasting and safety.