NEN EN 124-1:2015現行
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
標準編號： NEN EN 124-1:2015
標準類別：Standard
出版單位：Nederlands Normalisatie Instituut
標準頁數：45
標準簡介
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.
標準備注
Supersedes NEN EN 124. (07/2015)
