CNIS GB/T 1231-91 Specifications of high strength bolts with large hexagon head, large hexagon nuts,plain washers for steel structures. Формат поставки-PDF. Язык стандарта-Английский
Другие Стандарты CNIS
CNIS GB/T 9116.19-88 Hubbed slip-on-welding steel pipe flanges with tongue and groove face for PN 5...
CNIS GB/T 9118.4-88 Loose hubbed steel pipe flanges with welding neck collar with ring-joint face f...
CNIS GB/T 4231-93 Cold rolled stainless steel strips for springs
CNIS GB/T 223.71-97 Methods for chemical analysis of iron, steel and alloy. The gravimetric method ...
CNIS GB/T 550-84 Cast steel anchor chain cables
CNIS GB/T 11688-89 Marine cast steel flanged stop check valves