CNIS GB/T 223.10-91 Methods for chemical analysis of iron,steel and alloy--The cupferron separation-chrome azurol S photometric method for the determination of aluminium content. Формат поставки-PDF. Язык стандарта-Английский
Другие Стандарты CNIS
CNIS GB/T 911-66 Hot-rolled and forged tool steel flats
CNIS GB/T 9114.2-88 Hubbed screwed steel pipe flanges with raised face for PN 1.0MPa (10 bar)
CNIS GB/T 9113.25-88 Integral steel pipe flanges with ring-joint face for PN 25.0MPa (250 bar)
CNIS GB/T 4622.2-93 Spiral wound gaskets for steel pipe flanges--Dimensions
CNIS GB/T 9125-88 Specification for steel pipe flanges
CNIS GB/T 223.48-85 Methods for chemical analysis of iron,steel and alloy--The semixylenol orange p...