
En 12309-1 Gas Fired Sorption Air Conditioning And Gas Fired Sorption Heat Pump Appliances With A Net Heat Input Not Exceeding 70 Kw - Part 1: Safety
出版:British Standards Institution

专家解读视频
En 12309-1 Gas Fired Sorption Air Conditioning And Gas Fired Sorption Heat Pump Appliances With A Net Heat Input Not Exceeding 70 Kw - Part 1: Safety
出版:British Standards Institution
专家解读视频