根据一机部科技局(77)一机技字789号文件精神,天津市焊接研究所于1978年12月16日至18日在天津召开了长距离送丝机鉴定会。参加会议的有来自全国各地的高等院校,科研所、生产厂、使用部门和领导机关等32个单位的干部、工人、技术人员共52人。会议听取了上海电焊机厂、上海锅 According to the spirit of document No. 789 of a Machine Technology Corporation (77), Tianjin Welding Research Institute held a long-distance wire feeder identification meeting in Tianjin from December 16 to December 18, 1978. Attending the conference were 52 cadres, workers and technicians from 32 institutions including institutions of higher learning, research institutes, manufacturing plants, departments in use and leading bodies across the country. The meeting heard the Shanghai Electric Welding Factory, Shanghai pot