QJ 2208-1991 Ground equipment hydraulic system general technical specification

QJ 2208A-1997

GB ll84 GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance indications GB/T 2270 GB/T 3077-1999 Alloy structure steels GB/T 3077-2015 Alloy structure steels 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 4437.1-2000 Aluminium and aluminium alloy extruded tubes—Part 1:Seamless tubes GB/T 4437.1-2015 Aluminium and aluminium alloy extruded tubes—Part 1:Seamless tubes GB/T 4437.1-2023 Aluminium and aluminium alloys extruded tubes—Part 1:Seamless tubes GB/T 4437.2-2003 Aluminium and aluminium alloy extruded tubes—Part2:Seam tubes GB/T 4437.2-2017 Aluminium and aluminium alloy extruded tubes—Part 2:Seam tubes GB/T 699-1999 Quality carbon structural steels GB/T 699-2015 Quality carbon structure steels GB/T 786.1-1993 Fluid power systems and components—Graphic symbols and circuit diagrams—Part 1:Graphic symbols GB/T 786.1-2009 Fluid power systems and components—Graphic symbols and circuit diagrams—Part 1:Graphic symbols for conventional use and data-processing applications GB/T 786.1-2021 Fluid power systems and components—Graphical symbols and circuit diagrams—Part 1:Graphical symbols GB/T 9972 GBn 223 GJB 1413 GJB 145A GJB 462 GJB 805.4 GJB 805.7 QJ 176-1992 Missile (Rocket) Ground Equipment Melt Welding General Technical Specification QJ 202-1986 Nominal diameter of pipes and fittings for pipelines QJ 203-1986 Nominal pressure and test pressure of pipes and pipe fittings QJ 452