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1987年5月14日北京市城建技术协作委员会与北京铁路局昌平构件厂在北京昌平构件厂联合召开了“弹性钢模板推广应用交流会”。参加会议的有北京市城乡建设委员会、建筑工程局、城乡建设总公司,铁道部专业设计院等单位的50多名代表。 会上昌平构件厂的同志作了“弹性钢模板在多种预制构件生产中的应用及其设计探讨”和“关于弹性
May 14, 1987 Beijing Urban Construction Technology Cooperation Committee and Beijing Railway Bureau Changping Component Factory in Beijing Changping Component Factory jointly held a “flexible steel template promotion meeting.” More than 50 delegates attended the conference including Beijing Urban and Rural Construction Committee, Construction and Engineering Bureau, Urban and Rural Construction Corporation, Ministry of Railways Design Institute and other units. Comrade Changping Component Factory made a “flexible steel formwork in a variety of prefabricated components in the production of application and design” and "on the flexibility