(2005)中砌协字第06号混凝土砖国家标准征求意见稿研讨会各会员单位、有关单位:根据目前行业发展的实际需要,经国家有关部门批准,中国建筑砌块协会与国家建筑材料工业墙体屋面材料质量监督检验测试中心共同牵头,承担起草相关混凝土砖的国家标准。在相关单位的大力支持下,标准起 (2005) in the word Association No. 06 concrete brick national standard for comments draft of the seminar member units, the relevant units: According to the actual needs of the development of the industry, approved by the relevant state departments, China Building Block Association and the State Building Materials Industry Wall roofing materials Quality Supervision and Testing Center jointly take the lead commitment to draft the relevant national standards of concrete bricks. With the strong support of the relevant units, the standard starting