DIN EN 818-3-2008
起重用短环节链.安全性.第3部分:链式吊索的中等公差.等级4(包含修改件A1-2008).英文版本DIN EN 818-3-2008
Short link chain for lifting purposes - Safety - Part 3: Medium tolerance chain for chain slings - Grade 4(includes Amendment A1:2008); English version of DIN EN 818-3:2008-12