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 223.57-87 Methods for chemical analysis of iron,steel and alloy--The extraction-absorptio...
CNIS GB/T 9123.6-88 Steel pipe blank flanges with raised face for PN 0.25MPa (25 bar)
CNIS GB/T 8162-87 Seamless Steel pipes for structural purposes
CNIS GB/T 8361-87 The ultrasonic inspection method for the surface of bearing steel(cold drawn ro...
CNIS GB/T 12235-89 General purpose industrial valves--Flanged steel globe valves and lift check va...
CNIS GB/T 9116.25-88 Hubbed slip-on-welding steel pipe flanges with ring-joint face foR PN 25.0MPa (...