
Safety Rules For The Construction And Installation Of Lifts - Lifts For The Transport Of Persons And Goods - Part 21: New Passenger And Goods Passenger Lifts In Existing Builiding
出版:Comite Europeen de Normalisation

专家解读视频
DRAFT 2009 [01/01/2009]
09/30173298 DC - Identical
NF EN 81-21:2009 - Identical
DIN EN 81-21 (2009-02) - Identical
NEN EN 81-21:2009 - Identical