DIN EN 1147 Beiblatt 1-2018 符合DIN EN 1147标准的消防队用便携式梯子.补充件1:消防梯、挂钩梯、伸缩梯、组合梯、承窝件和多功能梯
Portable ladders for fire brigade in accordance to DIN EN 1147 - Supplement 1: Stick ladder, hook ladder, extending ladder, sectional ladder, socket part, connector for sectional ladder, multifunction ladder