GB/T 31356-2014

Active

Quality evaluation and control guide for commercial coal

商品煤质量评价与控制技术指南

Standard Type
GBT
ICS
73.040
CCS
D20
Status
现行
Issue Date
2014-12-31
Implementation
2015-01-01
Responsible Dept
中国煤炭工业协会
Drafting Unit
N/A