I.S. EN 124-4:2015现行
Gully Tops and Manhole Tops for Vehicular and Pedestrian Areas Part 4: Gully Tops and Manhole Tops Made of Steel Reinforced Concrete
出版：National Standards Authority of Ireland
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基本信息
标准编号： I.S. EN 124-4:2015
发布时间：2015/7/2 0:00:00
标准类别：Standard
出版单位：National Standards Authority of Ireland
标准页数：36
标准简介
Pertains to precast gully tops and manhole tops made of steel reinforced concrete with a clear opening up to and including 1000 mm for covering gullies, manholes and inspection chambers for installation within areas subjected to pedestrian and/or vehicular traffic.
本标准替代的旧标准
