GB/T 24659.1-2009 Agricultural crawler tractors—Track idler—Requirement

GB/T 24659.2-2009 Agricultural crawler tractors—Track idler—Requirement GB/T 24659.3-2009 Agricultural crawler tractors—Support roller—Requirement GB/T 24659.4-2009 Agricultural crawler tractors—Metal track—Requirement

GB/T 6414-1999 Castings—System of dimensional tolerances and machining allowances GB/T 11351-1989 Mass tolerances for castings GB/T 228-2002 Metallic materials—Tensile testing at ambient temperature GB/T 228.1-2010 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.2-2015 Metallic materials—Tensile testing—Part 2:Method of test at elevated temperature GB/T 228.3-2019 Metallic materials—Tensile testing—Part 3:Method of test at low temperature GB/T 228.4-2019 Metallic materials—Tensile testing—Part 4:Method of test in liquid helium GB/T 231.1-2002 Metallic materials—Brinell hardness test—Part 1:Test method GB/T 231.1-2009 Metallic materials—Brinell hardness test—Part 1:Test method GB/T 231.1-2018 Metallic materials—Brinell hardness test—Part 1:Test method GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 3871.12-1993 Test methods for agricultural wheeled and tracklaying tractors—Part 12:Working tests GB/T 3871.12-2005 Agricultural tractors—Test procedures—Part 12:Working tests JB/T 5673-2015 JBT 5673-2015 Agricultural and Forestry Tractors and Machinery Coating General Technical Specification JB/T 5673-1991 A general technical specification for painting of agricultural and forestry tractors and implements