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应机械工业部农业机械局和中国农业机械进出口联合公司的邀请,美国迪尔公司在西德的分公司所属曼海姆拖拉机铸造分厂厂长哈斯先生,于一九八三年九月三十日至十月十日,先后在无锡柴油机厂、上海柴油机厂、沈阳拖拉机厂和天津拖拉机厂进行了铸造技术交流和座谈。参加这次活动的共有32个单位、76人,除工厂外,还有科研单位和设计院。座谈前,哈斯先生首先介绍了曼海姆拖拉机铸造
At the invitation of the Agricultural Machinery Bureau of the Ministry of Machinery Industry and the China National Agricultural Machinery Import and Export Corporation, Mr. Haas, the Mannheim tractor casting factory owner of the Deere subsidiary in West Germany, was inaugurated in September 1983 From the 30th to the 10th of October, he held casting technology exchange and discussion in Wuxi Diesel Engine Factory, Shanghai Diesel Engine Factory, Shenyang Tractor Factory and Tianjin Tractor Factory successively. To participate in this event a total of 32 units, 76 people, in addition to the factory, there are research institutes and design institutes. Before the meeting, Mr. Haas first introduced Mannheim tractor casting