NS EN 677 Ed. 1 标准详情
- 标准号:NS EN 677 Ed. 1
- 中文标题:燃气中央供暖锅炉 - 具体要求冷凝式锅炉标称热输入不超过70千瓦
- 英文标题:Gas-fired Central Heating Boilers - Specific Requirements For Condensing Boilers With A Nominal Heat Input Not Exceeding 70 Kw
- 标准类别:挪威标准NS
- 发布日期:
Applicable to gas-fired central heating boilers, known as "condensing boilers" of types B (not including appliances without a fan) and to those using one or more gases corresponding to the three gas families and where the nominal heat input is not
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