Hot rolled stainless steel with equal leg angles Study and Test on Application of Non-equilateral Angle Steel for Transmission Towers GB/T4227-1984不锈钢热轧等边角钢不等边角钢用于输电杆塔的试验研究
Pass design of small equal leg angle steel and its improvement 小型等边角钢孔型设计及其改进
Development and technology improvement of medium and small size hot rolling equal angle steel 中小型热轧等边角钢的开发与工艺改进