标准号:IS 12323-1988
发布日期:1988/11/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:Covers the dimensions and other requirements for hand and machine operated circular screwing dies for parallel pipe threads ( G series ) according to IS : 2643 Dimensions for pipe threads for fastening purposes: Part 1 (1975) Basic profile and dimensions; Part 2 (1975) Tolerances (first revision ); and Part 3(1975 ) Limits of sizes ( first revision).