GB/T 21955-2008 Tractor and machinery for agriculture and forestry—Paper friction disc—Technical specifications

GB/T 12767-1991 Powder metallurgy products surface roughness—Parameters and their values 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 3478.1-1995 Straight cylindrical involute splines—Modules, basic rack profiles and tolerances GB/T 3478.1-2008 Straight cylindrical involute splines—Metric module,side fit—Part 1:Generalities GB/T 3478.2-1995 Straight cylindrical involute splines—30°pressure angle dimenslons tables GB/T 3478.2-2008 Straight cylindrical involute splines—Metric module,side fit—Part 2:30°pressure angle dimensions tables GB/T 3478.3-1995 Straight cylindrical involute splines—37.5°pressure angle dimensions tables GB/T 3478.3-2008 Straight cylindrical involute splines—Metric module,side fit—Part 3:37.5°pressure angle dimensions tables GB/T 3478.4-1995 Straight cylindrical involute splines—45°pressure angle dimensions tables GB/T 3478.4-2008 Straight cylindrical involute splines—Metric module,side fit—Part 4:45°pressure angle dimensions tables GB/T 3478.5-1995 Straight cylindrical involute splines inspection methods GB/T 3478.5-2008 Straight cylindrical involute splines—Metric module,side fit—Part 5:Inspection GB/T 3478.6-1995 Straight cylindrical involute splines 30° pressure angle—M and W values GB/T 3478.6-2008 Straight cylindrical involute splines—Metric module,side fit—Part 6:30° pressure angle M and W values GB/T 3478.7-1995 Straight cylindrical involute splines 37.5° pressure angle—M and W values GB/T 3478.7-2008 Straight cylindrical involute splines—Metric module,side fit—Part 7:37.5°pressure angle M and W values GB/T 3478.8-1995 Straight cylindrical involute splines 45° pressure angle—M and W values GB/T 3478.8-2008 Straight cylindrical involute splines—Metric module,side fit—Part 8: 45°pressure angle M and W values GB/T 3478.9-1995 Straight cylindrical involute splines—Measuring pin GB/T 3478.9-2008 Straight cylindrical involute splines—Metric module,side fit—Part 9:Measuring pin GB/T 10095.1-2001 Cylindrical gears—system of accuracy—Part 1:Definitions and allowable values of deviations relevant to corresponding flanks of gear teeth GB/T 10095.1-2008 Cylindrical gears—System of accuracy—Part 1:Definitions and allowable values of deviations relevant to corresponding flanks of gear teeth GB/T 10095.1-2022 Cylindrical gears—ISO system of flank tolerance classification—Part 1:Definitions and allowable values of deviations relevant to flanks of gear teeth GB/T 10095.2-2001 Cylindrical gears-system of accuracy—Part 2:Definitions and allowable values of deviations relevant to radial composite deviations and runout information GB/T 10095.2-2008 Cylindrical gears—System of accuracy—Part 2:Definitions and allowable values of deviations relevant to radial composite deviations and runout information GB/T 10095.2-2023 Cylindrical gears—ISO system of flank tolerance classification—Part 2:Definitions and allowable values of double flank radial composite deviations GB/T 13237-1991 Cold-rolled quality carbon structural steel sheets and strips GB/T 13237-2013 Cold rolled quality carbon structural steel sheets and strips GB/T 13384-1992 General specifications for packagings of mechanical and electrical products GB/T 13384-2008 General specifications for packing of mechanical and electrical product JB/T 7909-2011 Wet sintered metal friction material friction performance test method of test bed JB/T 7909-1999 Wet sintering metal friction material friction performance test method for testing device