Detailed rules for application Energyconservation design standard for newheating residential buildings 2001
哈尔滨黑龙江省地方标准民用建筑节能设计标准实施细(采暖居住建筑部分)DB23/T120-2001Detailed rules for application Energyconservation design standard for newheating residential buildings 2001 哈尔滨
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