BS 5440-2-2000 Installation and maintenance of flues and ventilation for gas appliances of rated inp

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标准类别：国外标准

关键词： BS 5440 2000 Installation and

标准简介

BS 5440-2-2000 Installation and maintenance of flues and ventilation for gas appliances of rated input not exceeding 70 kW net (1st, 2nd and 3rd family gases) —