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五机部有关部门受国家建委的委托,于4月18日至21日在北京召开了SJA型混凝土破碎器产品鉴定会。出席会议的有35个单位共49名代表。会议代表听取了晋安化工厂关于“SJA型混凝土破碎器研制技术总结”报告,并由主要试用单位:铁道部科学研究院爆破室、山西省电建三公司、总参某部、太原矿山机械厂、北京塑料三厂、新华化工厂、北京市政工程局二公司、北京重型机器厂等八个单位,介绍使用SJA型混凝土破碎器在城市街道、厂房
Commissioned by the State Construction Commission, the relevant departments of the five ministries and commissions convened the SJA concrete product identification conference in Beijing from April 18 to April 21. A total of 49 representatives from 35 units attended the meeting. Meeting delegates listened to Jin’an Chemical Plant on “SJA-type concrete crusher research and development technology summary” report by the main trial units: Ministry of Railways Blasting Science Research Institute, Shanxi Electric Power Construction Company III, a unit of the General Staff, Taiyuan Mining Machinery Plant , Beijing No. 3 Plastic Factory, Xinhua Chemical Factory, Beijing Municipal Engineering Bureau No. 2 Company, Beijing Heavy Machinery Factory and other eight units, introduced the use of SJA-type concrete crusher in the city streets, factories