GB/T 46549-2025

Active

Economic evaluation method for surface extraction project of coalbed methane in coal mining area

煤矿区煤层气地面抽采项目经济评价方法

Standard Type
GBT
ICS
73.040
CCS
D15
Status
现行
Issue Date
2025-12-02
Implementation
2026-04-01
Responsible Dept
中国煤炭工业协会
Drafting Unit
N/A