京棉三厂整理车间日班保全技革组工人,一年来在车间党总支的领导下,在有关部门的协助下,以创新精神,经过多次试验,利用某个磁钢厂报废的磁钢片,试制成功磁钢片自动关门装置(见附图),对保护工人健康,起到了积极作用。 京棉三厂各车间通道,原来大部分采取跌倒门形式,两页门的下部 In the past year, with the help of the relevant departments, with the help of the relevant departments, with the innovative spirit, after many trials, the workers of the Jing-Mian Three-Factory Workshop, Steel, the successful trial of magnetic steel automatic door closing device (see photo), to protect the health of workers, played a positive role. Beijing Cotton Plant Workshop passage, the original most of the way to take the fall door, two-door lower part