Heat exchangers - test procedures for establishing the performance of forced convection unit air coolers for refrigeration 热交换器.制冷用强制对流元件空气冷却器的性能确定试验过程
Heat exchangers - test procedures for establishing the performance of forced convection unit air coolers for refrigeration 热交换器.确定制冷用的强制对流装置空气冷却器性能的试验程序
Non - domestic direct gas - fired forced convection air heaters for space heating not exceeding ? net heat input of 300 kw 热输入不超过300kw的空间加热用非家用直接燃气式强制对流空气加热器
Heat exchangers - forced convection air cooled refrigerant condensers and dry coolers - sound measurement ; german version en 13487 : 2003 热交换器.强制对流空气冷却制冷剂凝结器和干式冷却机
Non - domestic direct gas - fired forced convection air heaters for space heating not exceeding a net heat input of 300 kw 加热空间输入热量不超过300kw的非家庭用直接气燃强制对流传送热空气加热器
Non - domestic direct gas - fired forced convection air heaters for space heating not exceeding a net heat input of 300 kw ; german version en 525 : 1997 额定热负载不超过300kv非家用直接烧燃气的强制对流室
Domestic gas - fired forced convection air heaters for space heating , with fan - assisted burners not exceeding ? net heat input of 70 kw 家用燃气强制对流热风取暖器.装有净热输入在70kw以下的低压鼓风燃烧器
Domestic gas - fired forced convection air heaters for space heating , with fan - assisted burners not exceeding a net heat input of 70 kw 装有净加热输入量不超过70kw风扇辅助锅炉的家用空间加热燃气强制对流空气加热器
Specification for dedicated liquefied petroleum gas appliances - mobile and portable non - domestic forced convection direct fired air heaters 专用液化石油气设施的规范.移动和便携式非家用强制对流直燃式气体加热器
Domestic gas - fired forced convection air heaters for space heating , with fan - assisted burners not exceeding a net heat input of 70 kw 净热输入值不超过70kw的借助风扇的锅炉的空间供暖用的家用燃气强制对流空气加热器
