CNIS GB/T 221-79 Notations for markings of iron and steel products. Формат поставки-PDF. Язык стандарта-Английский
Другие Стандарты CNIS
CNIS GB/T 13237-91 Cold-rolled quality carbon structural steel shects and strips
CNIS GB/T 8378-87 Test methods for fittings of solid web steel frame
CNIS GB/T 223.43-94 Methods for chemical analysis of iron, steel and alloy. Determination of tungst...
CNIS GB/T 9123.20-88 Steel pipe blank flanges with male and female face for PN 5.0MPa (50 bar)
CNIS GB/T 2517-81 Continuously hot rolled steel sheets and strips for common structures
CNIS GB 3087-82 Seamless steel tubes for low and medium pressure boiler