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中国挖掘机械研究会和建筑机械制造协会挖掘机分会将于1985年10月下旬在南京联合召开学术年会。会上将交流近两年来挖掘机械的研究成果,传播信息;讨论新形势下研究会和协会的任务。欢迎各设计、制
China Excavator Machinery Research Association and Construction Machinery Manufacturing Association Excavator Branch jointly held the academic annual meeting in Nanjing in late October 1985. In the past two years, the exchange will explore the results of mechanical research and disseminate information; discuss the tasks of the research society and the association under the new situation. Welcome to design and system