GB/T 20475.4-2012

Active

Classification for content of harmful elements in coal - Part 4：Mercury

煤中有害元素含量分级 第4部分：汞

Standard Type
GBT
ICS
73.040
CCS
D20
Status
现行
Issue Date
2012-12-31
Implementation
2013-10-01
Responsible Dept
中国煤炭工业协会
Drafting Unit
N/A