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为了推动长春地区铸造行业双革群众运动向前发展,促进铸造生产技术水平的不断提高,长春市科技局于七二年十二月至七三年一月,举办了“长春地区铸造技术革新展览会”。共展出五十多个单位的一百二十多项技术革新展品项目。
In order to promote the development of the double leather mass movement in the foundry industry in Changchun, and promote the continuous improvement of the level of casting production technology, the Changchun Science and Technology Bureau held the “Innovation Exhibition of Casting Technology in Changchun District from December 1972 to January 1973. meeting". A total of more than 120 units of technological innovation exhibits were exhibited.