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波兰格利维策冶金研究所发明了一种能同时将两根或多根圆形坯料拉拔成异型棒材的新型拉拔机。该拉拔机由塔尔努夫的胡特马斯冶金机械设计研究所设计,扎梅特机械制造厂制造。
Poland Gliwice Metallurgical Institute invented a can simultaneously draw two or more circular blanks into a special-shaped bar drawing machine. This drawing machine was designed by Hut Masi Metallurgical Machinery Design Institute of Tarnów and manufactured by Zamet Machinery Works.