老崔1081
发表于 2021-7-7 10:07:45
老崔1081
发表于 2021-7-7 10:09:15
BS EN124-2 2015 Gully tops and manhole tops for vehicular and pedestrian areas made by cast iron
老崔1081
发表于 2021-7-7 10:10:50
BS EN124-3-2015Gully tops and manhole tops made of steel or aluminium alloys
老崔1081
发表于 2021-7-7 10:15:54
EN 124-4 +5+6 这三个附件太大了，无法上传！！以后再传吧。
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