关于GB/T 29060-2012《复合保温砖和复合保温砌块》实施过程中相关技术问题的说明關于GB/T 29060-2012《複閤保溫磚和複閤保溫砌塊》實施過程中相關技術問題的說明 관우GB/T 29060-2012《복합보온전화복합보온체괴》실시과정중상관기술문제적설명 Instructions on technical issues related to the implement process of GB/T 29060-2012"Composite Thermal Insulation Brick and Composite Thermal Insulation Block"