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内蒙古自治区建材局于一九七五年四月在呼和浩特市召开了全区墙体屋面材料经验交流会议。在这次认真学习无产阶级专政理论的会议上,交流了抓革命促生产的经验,讨论制定了墙体屋面材料工业的发展规划。在批林批孔运动的推动下,近年来,全区除增产粘上砖瓦外,还生产了灰砂砖,粉煤灰砖和煤矸石砖,膨胀珍珠岩、蛭石和菱苦土制品也有了初步发展;并试
In April 1975, the Building Materials Bureau of the Inner Mongolia Autonomous Region held an exchange meeting on wall material for roofing materials in Hohhot. At this meeting to seriously study the theory of the dictatorship of the proletariat, we exchanged experiences of grasping the revolution to promote production and discussed and formulated the development plan for the wall roofing material industry. In recent years, with the promotion of the approval of batches of holes in the forest, in addition to increasing production and sticking bricks, the area has also produced lime sand bricks, fly ash bricks and coal gangue bricks. There are also expanded pearlite, vermiculite and magnesite products. Preliminary development;