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1987年4月22日～23日在哈尔滨市通过了MZ-1000-2型埋弧自动焊机、HJHS-1型焊剂回收装置及ZX_5-1000型弧焊整流器等组成的埋弧自动焊成套设备的省级鉴定。该套设备是由哈工大焊接技术中心、哈工大电子仪器厂、国营九三五厂和牡丹江市电焊机厂联合研制的。MZ-1000-2型埋弧自动焊机的特点是可以方便地拆套供应,便于与焊接操作机配套使用,具有国内先进水平。HJHS-1型焊剂回收
April 22, 1987 to 23 in Harbin passed the MZ-1000-2 submerged arc welding machine, HJHS-1-type flux recovery device and ZX_5-1000 arc welding rectifier composed of submerged arc welding complete sets of equipment Provincial appraisal. The set of equipment from Harbin Institute of Technology Welding Center, Harbin Institute of Electronic Instrument Factory, State-run nine three five plants and Mudanjiang City, welding machine factory jointly developed. MZ-1000-2 automatic submerged arc welding machine is characterized by easy demolition supply, easy to use and welding operation supporting the use of the domestic advanced level. HJHS-1-type flux recovery