DIN EN 621 (2010-04) 标准详情
- 标准号：DIN EN 621 (2010-04)
- 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
- 标准类别：德国标准DIN
- 发布日期：
