DIN 52612-2:1984 隔熱材料的試驗.用保護平板設(shè)備測定導(dǎo)熱系數(shù).建筑業(yè)中使用的測量值的換算
Tesing of thermal insulating materials; determination of thermal conductivity by means of the guarded hot plate apparatus; conversion of the measured values for building applications