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 2101-89 General requirements of acceptance,packaging,marking,and certification for sect...
CNIS GB/T 6402-91 Steel forgings--Method for ultrasonic examination
CNIS GB 6479-86 High-pressure seamless steel tubes for chemical fertilizer equipments
CNIS GB/T 699-88 Quality carbon structure steel--Technical requirements
CNIS GB/T 9450-88 Determination and verification of the effective depth of carburized and hardene...
CNIS GB/T 9128.2-88 Oval metallic ring gaskets for steel pipe flange joint