Connections for general use and fluid power - Ports and studs ends with ISO 261 threads with elastomeric or metal-to-metal sealing - Part 3: Stud ends with metal-to-metal sealing (type B) (ISO 9974-3:1996); English version of DIN EN ISO 9974-3
通用和流体动力连接件.带ISO 261弹性体或金属对金属密封螺纹的端口和螺柱端.第3部分:带金属对金属密封的螺柱端(B型)(ISO 9974-3-1996);德文版EN ISO 9974-3:2000