Pipe threads where pressure-tight joints are not made on the threads - Part 2: Verification by means of limit gauges (ISO 228-2:1987); German version EN ISO 228-2:2003
国外标准现行
标准号:DIN EN ISO 228-2-2003
标准名称: 非螺纹密封连接管螺纹.第2部分:极限量规检定
英文名称:Pipe threads where pressure-tight joints are not made on the threads - Part 2: Verification by means of limit gauges (ISO 228-2:1987); German version EN ISO 228-2:2003