BS EN 12220-1998 标准详情
- 标准号:BS EN 12220-1998
- 中文标题:建筑物通风.管道作业.一般通风用圆法兰
- 英文标题:Ventilation for buildings - Ductwork - Dimensions of circular flanges for general ventilation
- 标准类别:英国标准
- 发布日期:1998-08-15
This European Standard specifies dimensional characteristics of circular flanges for sheet metal ductwork. It applies to ductwork used in ventilating and air conditioning systems in buildings subject to human occupancy.For flange dimensions of indust
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