针对各种梯子EN131有相应的测试要求
直梯 simple ladder, 延展梯,两片 Push up or rope operated extending ladders, 2 plans , 人字梯 Double ladder , 组合梯,两片或三片 Combination ladder 2 or 3 plans, Simple telescopic ladder 简易伸缩梯
EN131-1/2/3 Decree 96-333
铰链梯 Articulated ladder
EN131-1/2/3/4 Decree 96-333