HG/T 2100-2020
液环式氯气泵用机械密封
Mechanical seals for liquid-ring chlorine pumps
2020-04-16
HG/T 2262-2006
单级悬臂双作用液环式氯气泵
Single stage double action cantilever liquid-ring pump for chlorine gas
2006-07-26
HG 2101-1991
单级悬臂双作用液环式氯气泵 试验及参数测量方法
1991-08-19
HG/T 2099～2100-2020
釜用机械密封试验规范和液环式氯气泵用机械密封（2020）
2020-04-16