
Pren 12309-2 - Gas-Fired Absorption And Adsorption Air-Conditioning And/Or Heat Pump Appliances With A Net Heat Input Not Exceeding 70 Kw - Part 2: Rational Use Of Energy
出版:British Standards Institution

專家解讀視頻
Pren 12309-2 - Gas-Fired Absorption And Adsorption Air-Conditioning And/Or Heat Pump Appliances With A Net Heat Input Not Exceeding 70 Kw - Part 2: Rational Use Of Energy
出版:British Standards Institution
專家解讀視頻