标准摘要
Cross Reference: AMS2472,AMS2486,AMS2488,AMS2700,AMS4124,AMS4928,AMS5639,AMS5645,AMS5648,AMS6349,AMS6382,AMSJ5645,AMSQQA225/9,AMSQQP416,AMSQQS763,AMSS6758,ARP4296,AS478,ASMEB46.1,ASMEY14.36M,ASMEY14.5M,MIL-A-8625
英文名称FITTING, ELBOW, 90°, STANDARD AND REDUCER, FLARED, 37° SPHERICAL