
En 12412-1 Windows, Doors And Shutters - Determination Of Thermal Transmittance By Hot Box Method - Part 1: Windows And Doors
出版:British Standards Institution

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En 12412-1 Windows, Doors And Shutters - Determination Of Thermal Transmittance By Hot Box Method - Part 1: Windows And Doors
出版:British Standards Institution
专家解读视频