Draft Document - Coated and lined ductile iron pipes, fittings and their joints for sewerage and drainage applications - Products characteristics and test and assessment methods; German and English version prEN 598:2017
文件草案——污水和排水用涂层和内衬球墨铸铁管、配件及其接头——产品特性、试验和评估方法;德语和英语版本prEN 598:2017