SN NS-EN 89:1999/A4:2006-2007 标准详情
- 标准号：SN NS-EN 89:1999/A4:2006-2007
- 中文标题：
- 英文标题：Amendment A4 - Gas-fired storage water heaters for the production of domestic hot water Endringsblad A4 - Gassfyrte vannvarmere for fremstilling og lagring av varmtvann i husholdninger
- 标准类别：挪威标准SN NS
- 发布日期：2007-03-01
