GB/T 46289-2025

Active

Macrolithotype classification for brown coals and lignites

褐煤宏观岩石类型分类

Standard Type
GBT
ICS
73.040
CCS
D26
Status
现行
Issue Date
2025-10-05
Implementation
2026-05-01
Responsible Dept
中国煤炭工业协会
Drafting Unit
N/A