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CNIS GB/T 4357-89 Carbon spring steel wires CNIS GB/T 223.67-89 Methods for chemical analysis of iron,steel and alloy--The reducing distillatio... CNIS GB/T 223.37-89 Methods for chemical analysis of iron,steel and alloy--The indophenol blue phot... CNIS GB/T 10751-89 Marine oval-shaped steel pipe flanges,weld-on CNIS GB/T 341-89 Steel wire--Classification and vocabular CNIS GB/T 11253-89 Cold-rolled plain carbon and low alloy structural steel sheets and strips CNIS GB/T 912-89 Hot-rolled plain carbon and low alloy structural steel sheets and strips CNIS GB/T 11263-89 Dimensions,shape,weight and tolerances for hot-rolled H-section steel CNIS GB/T 2101-89 General requirements of acceptance,packaging,marking,and certification for sect... CNIS GB/T 715-89 Hot-rolled round carbon steel bars for standard parts CNIS GB/T 10561-89 Steel--Determination of content of non-metallic inclusion--Micrographic method ... 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...