标 准 编 号:DIN 50979-2008 简体中文标题:金属镀层.附加无铬Cr(VI)处理的铁或钢表面锌和锌合金静电镀层 繁体中文标题:金属镀层.附加无铬Cr(VI)处理的铁或钢表面浜弯合金静电镀层 English Name:Metallic coatings - Electroplated coatings of zinc and zinc alloys on iron or steel with supplementary Cr(VI)-free treatment