GB/T 40259-2021

Active

General specification for supporting quality of longwall face

综采工作面支护质量检测技术条件

Standard Type
GBT
ICS
73.100.01
CCS
D90
Status
现行
Issue Date
2021-05-21
Implementation
2021-12-01
Responsible Dept
中国煤炭工业协会
Drafting Unit
N/A