CNIS GB/T 223.37-89 Methods for chemical analysis of iron,steel and alloy--The indophenol blue photometric methods for the determination of nitrogen content after distillation separation. Формат поставки-PDF. Язык стандарта-Английский
Другие Стандарты CNIS
CNIS GB/T 6726-86 Cold forming sectional steel for cargo vehicle--Dimension, form, weight and per...
CNIS GB 9329-88 Aluminium alloy stranded conductors and aluminium alloy conductors,steel-reinfo...
CNIS GB/T 12236-89 General purpose industrial valves--Steel swing check valves
CNIS GB/T 9121.3-88 Loose plate steel pipe flanges with weld-on collar with raised face for PN 1.6M...
CNIS GB 13236-91 Dip-tapes and steel strapping tapes for Petroleum-Specification
CNIS GB/T 6807-86 Specification for phosphate treatment of iron and steel parts before painting