
BS EN 12309-6 - GAS-FIRED SORPTION APPLIANCES FOR HEATING AND/OR COOLING WITH A NET HEAT INPUT NOT EXCEEDING 70 KW - CALCULATION OF SEASONAL PERFORMANCES
出版:British Standards Institution

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BS EN 12309-6 - GAS-FIRED SORPTION APPLIANCES FOR HEATING AND/OR COOLING WITH A NET HEAT INPUT NOT EXCEEDING 70 KW - CALCULATION OF SEASONAL PERFORMANCES
出版:British Standards Institution
专家解读视频