LS/T 3612-1992
立式级联颗粒冷却器
1992-12-30
GB/T 24351-2009
立式逆流颗粒冷却器 通用技术规范
Universal technical specifications for vertical counter-flow - Pellet feed coolers
2009-09-30
JB/T 12777-2016
翻板式颗粒饲料冷却器
Slat pellet feed cooler
2016-04-05
JB/T 7607-2005
立式电机轴承用LYJH型油冷却器
Type-LYJH oil cooler for bearings of vertical electrical machines
2005-02-14