由机电部哈尔滨焊接研究所承担,哈尔滨电机厂协作的国家“七五”重点科技攻关项目“微机控制多特性逆变型焊接电源的研究”经课题组五年多的努力已完成攻关合同任务。一九九二年元月十七日在机电部科技司主持下,邀请了国内著名的同行专家,通过了部级鉴定。与会鉴定委员听取了技术汇报,审查了全套技术文 Harbin Institute of Welding by the Electrical and Mechanical Services Department, Harbin Motor Factory collaboration “75” key scientific and technological projects “microcomputer control multi-characteristic inverter welding power supply” by the group more than five years of hard work has completed the task of tackling the contract. January 17, 1992 under the auspices of the Ministry of Science and Technology Department of Electrical and Mechanical Services Department, invited the well-known domestic counterparts, passed the ministerial appraisal. The attending appraisal committee listened to the technical report and reviewed the full set of technical articles