NEN EN 124-3:2012被替代
Gully Tops And Manhole Tops For Vehicular And Pedestrian Areas - Part 3: Gully Tops And Manhole Tops Made From Steel Or Aluminium Alloy
出版：Nederlands Normalisatie Instituut
專家解讀視頻
基本信息
標準編號： NEN EN 124-3:2012
發布時間：2012/11/1 0:00:00
標準類別：Draft
出版單位：Nederlands Normalisatie Instituut
標準頁數：35
標準簡介
Pertains to gully tops and manhole tops with a clear opening up to and including 1000 mm for installation in areas subjected to pedestrian and/or vehicular traffic.
替代本標準的新標準
等同采用的國際標準
PREN 124-3:2012 - Identical
