ICS91.100.60CCS Q25GB中华人民共和国国家标准GB/T 40414-2021/ISO 29770:2008浮筑地面用绝热制品厚度的测量Determination of thickness for floating-floor thermal insulating products(ISO 29770:2008,Thermal insulating products for building applicationsDetermination of thickness for floating-floor insulating products,IDT)2021-08-20发布2022-03-01实施国家市场监督管理总局国家标准化管理委员会发布
