SN EN 81-21-2009 标准详情
- 标准号：SN EN 81-21-2009
- 中文标题：
- 英文标题：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 Building
- 标准类别：瑞士标准化协会SNV
- 发布日期：
