DL/T 944-2005 Specification of concrete pump

GB/T 2681-1981 Colors of insulated conductors used in electrical assembly devices GB/T 2682-1981 Colors of indicator lights and push-buttons used in electrical assembly devices GB/T 3766-2001 Hydraulic fluid power—General rules relating to systems GB/T 3766-2015 Hydraulic fluid power—General rules and safety requirements for systems and their components GB/T 3797-2005 Electrical control assemblies GB/T 3797-2016 Electrical control assemblies GB 4720 GB/T 4942.2-1993 Degrees of protection provided by enclosures for low-voltage apparatus GB/T 699-1999 Quality carbon structural steels GB/T 699-2015 Quality carbon structure steels GB/T 7935-2005 Hydraulic fluid power—General requirements for hydraulic components 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 14039-2002 Hydraulic fluid power—Fluids—Method for coding the level of contamination by solid particles GB/T 17489-1998 Hydraulic fluid power—Particulate contamination analysis—Extraction of fluid samples from lines of an operating system GB/T 17489-2022 Hydraulic fluid power—Particulate contamination analysis—Extraction of fluid samples from lines of an operating system GB/T 2351-1993 Fluid power systems and components—Connectors and associated components—Outside diameters of tubes and inside diameters of hoses GB/T 2351-2005 Fluid power systems and components—Connectors and associated components—Nominal outside diameters of tubes and nominal inside diameters of hoses GB/T 2351-2021 Fluid power systems and components—Outside diameters of tubes and inside diameters of hoses GB/T 5680-1998 Austenitic manganese steel castings GB/T 5680-2010 Austenitic manganese steel castings GB/T 5680-2023 Austenitic manganese steel castings GB/T 8162-1999 Seamless steel tubes for structural purposes GB/T 8162-2008 Seamless steel tubes for structural purposes GB/T 8162-2018 Seamless steel tubes for structural purposes GB/T 8163-1999 Seamless steel tubes for liquid service GB/T 8163-2008 Seamless steel tubes for liquid service GB/T 8163-2018 Seamless steel pipes for liquid service JB/T 3249-1991 Engineering machinery protection plates and covers JB/T 5000.12-1998 Heavy Machinery General Technical Specification for Painting JB/T 5000.3-2007 Heavy Machinery General Technical Conditions Part 3: Welding Parts JB/T 5000.3-1998 Heavy Machinery General Technical Conditions - Welding Parts JG/T 32-1999 Earth-moving machinery—Preservation and storage JG/T 95-1999 Concrete conveying pipe—Types and dimensions JB/T 5000.12-2007 Heavy mechanical general techniques and standards-Part 12:Paint JGJ 55-2011 Specification for mix proportion design of ordinary concrete