CNIS GB/T 223.52-87 Methods for chemical analysis of iron,steel and alloy--The hydroxylamine hydrochloride-iodometric method for the determination of selenium content. Формат поставки-PDF. Язык стандарта-Английский
Другие Стандарты CNIS
CNIS GB/T 9113.16-88 Integral steel pipe flanges with tongue and groove face for PN1.6MPa(16 bar)
CNIS GB/T 183-63 38kg/m steel rails
CNIS GB/T 342-97 Dimension shape mass and tolerance for cold-drawn round square and hexagonal st...
CNIS GB/T 9118.4-88 Loose hubbed steel pipe flanges with welding neck collar with ring-joint face f...
CNIS GB/T 3092-93 Welded steel pipe for low pressure service
CNIS GB/T 3278-82 Technical requirements for hot-rolled carbon tool steel sheets and plates