GB/T 14292-1993 carbon structural steel and low alloy structural steel
翻译
GB/T 14292-1993 Carbon Structural Steel and Low-Alloy Structural Steel
GB/T 14292-1993 carbon structural steel and low-alloy structural steel stipulates the classification, code, order content and size, shape, weight and tolerance for carbon structural steel and low-alloy structural steel. Th......