CEN EN 2907 Aerospace Series - Nuts, Bihexagonal, Self-Locking, in Heat Resisting Steel FE-... CEN EN 2940 Aerospace Series - Screws, 100 Degree Countersunk Head, Offset Cruciform Recess... CEN EN 10211 Chemical Analysis of Ferrous Materials - Determination of Titanium in Steel and... CEN EN 2079 Aerospace Series - Bearings, Precision Ball with Flange in Corrosion Resisting ... CEN EN 3446 Aerospace Series - Bearings, Precision Ball Without Flange in Corrosion Resisti... 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...