DIN EN 1804-1:2021-07 Machines for underground mines - Safety requirements for hydraulic powered roof supports - Part 1: Support units and general requirements; German version EN 1804-1:2020

标准编号：DIN EN 1804-1:2021-07

英文标题：Machines for underground mines - Safety requirements for hydraulic powered roof supports - Part 1: Support units and general requirements; German version EN 1804-1:2020

德文标题：Maschinen für den Bergbau unter Tage - Sicherheitsanforderungen für hydraulischen Schreitausbau - Teil 1: Ausbaugestelle und allgemeine Anforderungen; Deutsche Fassung EN 1804-1:2020

发布日期：2021-07

DIN EN 1804-1:2021-07 Machines for underground mines - Safety requirements for hydraulic powered roof supports - Part 1: Support units and general requirements; German version EN 1804-1:2020

标准预览图