GB/T 189-1997

Abolished

Classification standard for size fractions of coal

煤炭粒度分级

Standard Type
GBT
ICS
73.040
CCS
D20
Status
废止
Issue Date
1997-04-17
Implementation
1997-10-01
Responsible Dept
中国煤炭工业协会
Drafting Unit
N/A