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为了贯彻国家标准《混凝土膨胀剂》GB23439-2009和《补偿收缩混凝土应用技术规程》JGJ/T178-2009,促进新产品与新技术的创新与推广,本专业委员会定于2010年召开“第五届全国混凝
In order to implement the national standard ”Concrete Expanders“ GB23439-2009 and ”Shrinkage Shrinkage Concrete Application Technical Regulations“ JGJ / T178-2009, to promote innovation and promotion of new products and new technologies, the professional committee is scheduled to be held in 2010 ”fifth The national coagulation