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CEN EN 2009 Bearings - Airframe Rolling Rigid, Single Roll Ball Bearings in Steel Diameter ... CNIS GB/T 4356-84 Stainless steel wire rods CNIS GB/T 4335-84 Cold rolled low-carbon steel sheet--Ferrite grain size--Test methods CNIS GB/T 4336-84 Method for photoelectric emission spectroscopic analysis of carbon steel,medium... CNIS GB/T 223.29-84 Methods for chemical analysis of iron,steel and alloy--The xylenol orange photo... CNIS GB/T 223.34-84 Methods for chemical analysis of iron,steel and alloy The determination of hydr... CNIS GB/T 4227-84 Hot rolled stainless steel with equal leg angles CNIS GB/T 4241-84 Stainless steel wire rods for welding CNIS GB/T 4226-84 Cold finished stainless steel bars CNIS GB/T 4236-84 Steel--Examination by sulphur print(Baumann method) CNIS GB/T 4229-84 Methods of weight calculation of stainless steel plates and sheets CNIS GB/T 4211-84 High speed steel tool bits CNIS GB/T 1343.9-84 Covered wires--Method for test of breakdown voltage by means of steel balls CNIS GB/T 4160-84 Steel--Strain ageing sensibility test(Charpy impact method) CEN EN 2018 Bearings-Airframe Rolling Single Row, Self Aligning Roller Bearings in Steel Di... CEN EN 2020 Bearings-Airframe Rolling Single Row Self Aligning Roller Bearings in Corrosion... CEN EN 2012 Bearings-Airframe Rolling Rigid, Single Row Ball Bearings in Steel Diameter Ser... CEN EN 2014 Bearings - Airframe Rolling Rigid Single Row Ball Bearings in Corrosion Resisti... CEN EN 2015 Bearings-Airframe Rolling Double Row, Self Aligning Ball Bearings in Steel Diam... CEN EN 2017 Bearings-Airframe Rolling Double Row Self Aligning Ball Bearings in Corrosion R... CEN EN 2011 Bearings-Airframe Rolling Rigid Single Row Ball Bearings in Corrosion Resisting... CNIS GB/T 4074.19-83 Methods of test for enameled wires--Breakdown voltage test by means of steel ba... CNIS GB 4053.4-83 Fixed steel industrial platform CNIS GB 1179-83 Aluminium stranded conductors and aluminium conductors,steel-reinforced