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CNIS GB/T 10486-89 Steel flat pallets for railway goods traffic CNIS GB/T 10488-89 Steel formwork of adjustable curvature CNIS GB/T 705-89 Hot-rolled hexagonal and octagonal steel bars--Dimensions, shape, weight and to... CEN EN 2139 Washers, Flat Heat Resisting Steel CNIS GB/T 308-89 Rolling bearings--Steel balls CNIS GB/T 10418-89 Steel bonded tungsten carbides--Determination of transverse rupture strength CNIS GB 151-89 Steel tubular heat exchanger CNIS GB/T 10419-89 Steel bonded tungsten carbides--Determination of im-pact toughness CNIS GB/T 10417-89 Technical conditions of steel-bonded tungsten carbide CNIS GB/T 10420-89 Steel bonded tungsten carbides--Determination of ROck-well hardness (scales C a... CEN EN 2367 Split Pins in Steel EN 2573 CEN EN 2023 Bearings - Spherical Plain in Corrosion Resisting Steel with Self-Lubricating L... CEN EN 10179 Chemical Analysis of Ferrous Materials - Determination of Nitrogen (Trace Mount... CEN EN 2288 Bushes, Flanged Corrosion Resisting Steel with Self-Lubricating Liner Dimension... CEN EN 2287 Bushes, Plain Corrosion Resisting Steel with Self-Lubricating Liner Dimensions ... CNIS GB/T 3207-88 Bright steel CNIS GB/T 10121-88 Steel products--Method for magnetic particle inspection of tower sample CNIS GB/T 225-88 Steel-hardenability test by end quenching(Jominy test) CNIS GB/T 10129-88 Methods of measurement of magnetic properties of magnetic steel sheet and strip... CNIS GB/T 10045-88 Carbon steel flux cored wires for arc welding CNIS GB/T 9941-88 High speed tool steel sheets and plates--Technical requirements CNIS GB/T 9946-88 Dimensions,shape,weight and tolerances for hot-rolled L-sectional steel CNIS GB/T 9943-88 High speed tool steel bars--Technical requirements CNIS GB/T 9944-88 Stainless steel wire ropes