
En 12667 Building Materials - Determination Of Thermal Resistance By Means Of Guarded Hot Plate And Heat Flow Meter Methods - Products Of High And Medium Thermal Resistance
出版:British Standards Institution

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En 12667 Building Materials - Determination Of Thermal Resistance By Means Of Guarded Hot Plate And Heat Flow Meter Methods - Products Of High And Medium Thermal Resistance
出版:British Standards Institution
专家解读视频