DIN 30670:1991-04 Polyethylen coatings of steel pipes and fittings; requirements and testing
标准编号:DIN 30670:1991-04
英文标题:Polyethylen coatings of steel pipes and fittings; requirements and testing
德文标题:Umhüllung von Stahlrohren und -formstücken mit Polyethylen
发布日期:1991-04
标准预览图


