CNIS GB/T 15390-94 Welded steel type cranked link mill chains and chain wheels CNIS GB 5099-94 Seamless steel gas cylinders CNIS GB 5100-94 Welded steel gas cylinders CNIS GB 15380-94 Liquefied petroleum gas steel minicylinders CNIS GB 6653-94 Steel plates for welded gas cylinders CNIS GB/T 5753-94 Steel cord conveyor belts--Cover thickness measurement CNIS GB/T 15393-94 Zinc coatings for steel wire CNIS GB/T 15392-94 Continual hot-dip zinc-coated steel strips with a width less than 700mm CNIS GB/T 3078-94 Technical requirements for quality structural steel cold drawn bars CNIS GB/T 343-94 Low carbon steel wire for general uses CNIS GB/T 2597-94 Heat-rolled window sash steel CNIS GB/T 15391-94 Dimensions, shape and tolerances for cold-rolled steel strips with a width less... CNIS GB/T 15247-94 Electron probe quantitative analysis method of carbon in carbon steel and low a... CEN EN 642 Prestressed concrete pressure pipes, cylinder and non-cylinder, including joint... CNIS GB/T 223.50-94 Methods for chemical analysis of iron, steel and alloy. The phenylfluorone-CTMA... CNIS GB/T 223.32-94 Methods for chemical analysis of iron,steel and alloy. The hypophosphite reduct... CNIS GB/T 223.6-94 Methods for chemical analysis of iron,steel and alloy. The neutralization titri... CNIS GB/T 223.33-94 Methods for chemical analysis of iron,steel and alloy. The chlorophosphonazo mA... CNIS GB/T 223.43-94 Methods for chemical analysis of iron, steel and alloy. Determination of tungst... CNIS GB/T 223.36-94 Methods for chemical analysis of iron, steel and alloy. The neutral titration m... CNIS GB/T 223.49-94 Methods for chemical analysis of iron,steel and alloy. Extraction separation-ch... CNIS GB/T 223.45-94 Methods for chemical analysis of iron,steel and alloy. The cupral Separation-xy... CNIS GB/T 223.30-94 Methods for chemical analysis of iron,steel and alloy. The arsenazo spectrophot... CNIS GB/T 223.47-94 Methods for chemical analysis of iron,steel and alloy. The carrier precipitatio...