标准编号:ISO 228-2:1987
中文名称:非螺纹密封连接的管螺纹.极限量规检验
英文名称:Pipe threads where pressure-tight joints are not made on the threads — Part 2: Verification by means of limit gauges
发布日期:1987-08
标准编号:ISO 228-2:1987
中文名称:非螺纹密封连接的管螺纹.极限量规检验
英文名称:Pipe threads where pressure-tight joints are not made on the threads — Part 2: Verification by means of limit gauges
发布日期:1987-08