煤矿膏体充填管道输送工艺要求
Technical requirements for pipeline transportation of paste filling in coal mine
2021-11-16
NB/T 11434.1-2023
煤矿膏体充填 第1部分:综采工作面采空区隔离工艺要求
Paste filling in coal mine—Part 1:Technical requirements of goaf isolation in fully mechanized mining face
2023-12-28
NB/T 11434.2-2023
煤矿膏体充填 第2部分:管阀通用技术条件
Paste filling in coal mine—Part 2:General technical conditions of pipe valves
2023-12-28
SN/T 3701.5-2014
进口旧机电产品检验技术要求 第5部分:石料、陶瓷、混凝土、石棉水泥或类似矿物材料的加工机床
Technical requirements for the inspection of used electrical and mechanical products for import - Part 5:Machines and plants for stone,ceramics,concrete,asbestos cement and similarly mining material