Specification for O-Ring Face Seal Connectors: Part 1 - Tube Connection Details and Common Requirements for Performance and Tests
O形圈密封连接器规范 - 第1部分:管连接细节和性能和测试的常见要求
2019-06-06
NB/T 20478.1-2018
压水堆核电厂反应堆压力容器密封环技术规范 第1部分:O型密封环
The technical specification of reactor pressure vessel sealing ring for pressurized water reactor nuclear power plan-Part 1:O-ring