ISBN: 9787502024864 - 煤炭行业标准汇编-煤矿安全卷（1-3卷） 煤炭行业煤矿安全卷标准化技术委员会 煤炭工业出版社 (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2007 Pages: 612 Publisher: Coal Industry Press the coal industry standard assembly: Coal Mine Safety Volume 1 for the first time published included the coal industry standards are in force standards available for the coal industry standardization management department. work organization. coal mine safety supervision. monitoring units. coal production units. equipment manufacture. use and sale of units. coal universities. scientific research and design units and standardiz.…