CNIS GB/T 223.40-85 Methods for chemical analysis of iron,steel and alloy--The anion-exchange separation-sulphochlorophenol S photometric method for the determination of niobium content. Формат поставки-PDF. Язык стандарта-Английский
Другие Стандарты CNIS
CNIS GB/T 9115.18-88 Steel pipe welding neck flanges with male and female face for PN 2.5MPa (25 bar...
CNIS GB/T 9123.21-88 Steel pipe blank flanges with male and female face for PN 10.0MPa (100 bar)
CNIS GB/T 9156-88 Solid shaped steel door
CNIS GB/T 9129-88 Specification for asbestes rubber gasket for steel pipe flanges
CNIS GB/T 9116.13-88 Hubbed slip-on-welding steel pipe flanges with male and female face for PN 4.0M...
CNIS GB/T 223.23-94 Methods for chemical analysis of iron, steel and alloy.The dimethylglyoxime spe...