DIN 52612-3:1979 絕熱材料的檢驗(yàn).第3部分:采用保護(hù)式熱板設(shè)備對(duì)導(dǎo)熱性的測(cè)定.建筑業(yè)應(yīng)用的疊層材料的熱敏電阻
Testing of Thermal Insulating Materials; Determination of Thermal Conductivity by the Guarded Hot Plate Apparatus; Thermal Resistance of Laminated Materials for Use in Building Practice