NF P50-749-3*NF EN 1946-3:1999 建筑产品及部件的热性能 评估实验室测量热传递性能的专用准则 第3部分:热流量计测量法
Thermal performance of building products and components. Specific criteria for the assessment of laboratories measuring heat transfer properties. Part 3 : measurements by heat flow meter method.