矿用水位传感器校准规范
Calibration Specification for Mine Water Level Sensors
2020-03-16
NB/T 11539-2024
矿用物位传感器通用技术要求
General technical requirements for mining level sensors
2024-05-24
NB/T 10965-2022
采煤工作面低位抽采巷技术规范
Technical specification for lower level gas drainage gateway in coal face of coal mine
2022-05-13
NB/T 51041-2015
千万吨级综合机械化放顶煤工作面设备选型配套技术要求
The technical requirements of equipment selection and matching for ten-million-ton-level fully mechanized top coal caving mining face