标准摘要
Cross Reference: AMS2700,AMS2759/3,AMS4965,AMS5643,AMS5659,ANSI/ASME/B46.1,ANSI/Y14.36,ARP4296,ARP4698,AS1376,AS4207,AS4510,AS4697,AS478,AS478J,AS5272,AS85421,AS85720,AS8879,ASME/Y14.5M
英文名称FITTING, ELBOW, 90°, EXTERNAL THREAD, BEAM SEAL TO INTEGRAL WELD RING