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1989年铁道部下达滚珠轴承内外圈磁粉探伤课题,经铁道部戚墅堰工艺研究所、盐城市电子设备厂和射阳县电子所工程技术人员三年艰苦努力,研制成功,1991年底在南京通过部级鉴定。参加鉴定会的代表有:全国无损检测学会的专家;有铁道部科技局、工业总局、车辆局、机务局、工厂建设局、铁道科学院的领导:有沈阳铁路局、哈尔滨铁路局、呼和浩特铁路局、北京铁路局、上海铁路局、广州铁路
1989 Ministry of Railways issued a ball bearing inner and outer magnetic particle inspection issues, the Ministry of Railways Qishuyan Technology Research Institute, Yancheng Electronics Equipment Factory and Sheyang County Electronics Engineering and technical personnel for three years of hard work, the successful development of the end of 1991 in Nanjing through the ministerial Identification. Representatives attending the conference include: National Institute of non-destructive testing experts; Science and Technology Bureau of the Ministry of Railways, Administration of Industry, Vehicle, Bureau of Machine Building, Factory Construction Bureau, Railway Academy of Sciences leadership: Shenyang Railway Bureau, Harbin Railway Bureau, Hohhot Railway Bureau Beijing Railway Bureau, Shanghai Railway Bureau, Guangzhou Railway