NEN EN 124-1:2015现行
Gully Tops And Manhole Tops For Vehicular And Pedestrian Areas - Part 1: Definitions, Classification, General Principles Of Design, Performance Requirements And Test Methods
出版：Nederlands Normalisatie Instituut
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基本信息
标准编号： NEN EN 124-1:2015
标准类别：Standard
出版单位：Nederlands Normalisatie Instituut
标准页数：45
标准简介
Pertains to manhole tops and gully tops with a clear opening up to and including 1000 mm for covering gullies, manholes and inspection chambers installed in areas subjected to pedestrian and/or vehicular traffic.
标准备注
Supersedes NEN EN 124. (07/2015)
