标 准 编 号：BS EN 10226-1-2004 简体中文标题：螺纹上有压力密封接缝的管螺纹.锥形外螺纹和平行内螺纹.尺寸、公差及名称与符号 繁体中文标题：螺纹上有压力密封接缝的管螺纹.锥形外螺纹和平行内螺纹.尺寸、公差及名称与符号 English Name：Pipe threads where pressure tight joints are made on the threads - Taper external threads and parallel internal threads - Dimensions, tolerances...