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继4—2合成闸瓦技术鉴定会后,183合成闸瓦技术鉴定会于1979年11月14～16日在南京召开。183合成闸瓦是由成都铁路局,南京石棉塑料厂研究试制的,和4—2瓦同属于低弹性模量低摩擦系数合成闸瓦。出席这次会议的有铁道部科技委、车辆局、建材部非金属矿物局、江苏省建材局、南京
Following the 4-2 synthetic brake shoe technical appraisal meeting, 183 synthetic brake shoe technical appraisal meeting was held on November 14-16, 1979 in Nanjing. 183 Synthetic brake shoe is researched and developed by Chengdu Railway Bureau and Nanjing Asbestos Plastic Factory, and 4-2 watts belong to the low friction coefficient synthetic brake shoe with low elastic modulus. Attend this meeting were the Ministry of Science and Technology Commission of the Ministry of Railways, the Bureau of vehicles, non-metallic minerals Bureau of Building Materials Bureau, Jiangsu Province Building Materials Bureau, Nanjing