CNIS GB/T 223.4-88 Methods for chemical analysis of iron, steel and alloy--The volumetric method for determination of manganese content by ammonium nitrate oxidation. Формат поставки-PDF. Язык стандарта-Английский
Другие Стандарты CNIS
CNIS GB/T 5224-95 Steel strand for prestressed concrete
CNIS GB/T 12361-90 General specification of steel die forgings
CNIS GB/T 9114.1-88 Hubbed screwed steel pipe flanges with raised face for PN 0.6MPa (6 bar)
CNIS GB/T 12605-90 Methods of radiographic inspection and quality classification of circumferentia...
CNIS GB/T 223.22-94 Methods for chemical analysis of iron ,steel and alloy.The nitroso-R-salt spect...
CNIS GB/T 223.18-94 Methods for chemical analysis of iron steel and alloy.The sodium thiosulfate se...