釜用机械密封技术条件
Specifications of mechanical seal for stirred vessel
2020-04-16
HG/T 3124-2020
焊接金属波纹管釜用机械密封技术条件
Specifications of welded metal-bellows mechanical seal for stirred vessel
2020-04-16
HG/T 2122-2020
釜用机械密封辅助装置
Auxiliary facilities of mechanical seals for stirred vessel
2020-04-16
HG/T 4113-2020
釜用机械密封气体泄漏测试方法
Gas leakage rate measurement method of mechanical seals for stirred vessel
2020-04-16
DIN EN 16119
LPG equipment and accessories - Sealing caps and plugs for LPG cylinder and pressure vessel valves - Specification and testing
液化石油气设备和附件.液化石油气钢瓶和压力容器阀门用密封盖和塞子.规范和试验;德文版EN 16119:2021