UNI UNI EN 621-2010 标准详情
- 标准号:UNI UNI EN 621-2010
- 中文标题:
- 英文标题:Non-domestic gas-fired forced convection air heaters for space heating not exceeding a net heat input of 300 kW, without a fan to assist transportation of combustion air and/or combustion products Generatori d'aria calda a convezione forzata per il
- 标准类别:意大利UNIUNI
- 发布日期:2010-01-21