在英明领袖华主席抓纲治国战略决策的指引下,山东省机械工业局于1977年4月24日至27日在济南召开了NBC X—400型CO_2气体保护半自动焊机鉴定会。参加会议的有高等院校、科研所、生产厂、使用部门和领导机关等43个单位的干部、工人、技术人员共60人。会议期间,大家认 Under the guidance of wise leader Chairman Hua catching Gang Gang’s strategic decision, Shandong Machinery Industry Bureau held the NBC X-400 CO 2 gas-shielded semi-automatic welder identification meeting in Jinan from April 24 to April 27, 1977. At the conference, there were 60 cadres, workers and technicians from 43 institutions including institutions of higher learning, research institutes, manufacturing plants, departments for use and leadership. During the meeting, everyone admitted