JY 0004-1990
月球运行仪技术条件
Technical specifications of the moon's motion instrument
NB/T 10171-2019
矿用水泵运行参数测试仪技术条件
Technical specifications of operational parameter tester for mine pumps
2019-06-04
NB/T 10170-2019
矿用主通风机运行参数测试仪技术条件
Technical specifications of operational parameter tester for mine main fans
2019-06-04
NB/T 10172-2019
矿用空气压缩机运行参数测试仪技术条件
Technical specifications of operational parameter tester for mine air compressors
2019-06-04