QJ 1894-1990 Ground fixed dispensing system general technical specification

GB 3836.1-2000 Electrical apparatus for explosive gas atmospheres—Part 1:General requirements GB 3836.1-2010 Explosive atmospheres—Part 1:Equipment—General requirements GB/T 3836.1-2021 Explosive atmospheres—Part 1:Equipment—General requirements GB 3836.2-2000 Electrical apparatus for explosive gas atmospheres—Part 2:Flameproof enclosure “d” GB 3836.2-2010 Explosive atmospheres—Part 2:Equipment protection by flameproof enclosures "d" GB/T 3836.2-2021 Explosive atmospheres—Part 2:Equipment protection by flameproof enclosures “d” GB 3836.3-2000 Electrical apparatus for explosive gas atmospheres—Part 3:Increased safety “e” GB 3836.3-2010 Explosive atmospheres—Part 3:Equipment protection by increased safety "e" GB/T 3836.3-2021 Explosive atmospheres—Part 3:Equipment protection by increased safety “e” GB 3836.4-2000 Electrical apparatus for explosive gas atmospheres—Part 4:Intrinsic safety“i” GB 3836.4-2010 Explosive atmospheres—Part 4:Equipment protection by intrinsic safety "i" GB/T 3836.4-2021 Explosive atmospheres—art 4:Equipment protection by intrinsic safety “i” GB/T 1047-1995 Nominal size for pipe components GB/T 1047-2005 Pipework components—Definition and selection of DN (nominal size) GB/T 1047-2019 Pipework components—Definition and selection of nominal size GB/T 1048-1990 Nominal pressure for pipe components GB/T 1048-2005 Pipework components—Definition and selection of PN GB/T 1048-2019 Pipework components—Definition and selection of nominal pressure GB/T 5080.1-1986 Equipment reliability testing—General requirements GB/T 5080.1-2012 Reliability testing—Part 1:Test conditions and statistical test principles GB/T 5330-2003 Industrial woven metal wire cloth (square opening series) GB/T 5330.1-2000 Industrial wire screens and woven wire cloth—Guide to the choice of aperture size and wire diameter combinations—Part 1:Generalities GB/T 5330.1-2012 Industrial wire screens and woven wire cloth—Guide to the choice of aperture size and wire diameter combinations—Part 1:Generalities GBJ 235 GBJ 236 GJB 805.5 JB 1580 JB 741 QJ 165 QJ 169-1989 Aluminum alloy casting technology specifications QJ 176-1992 Missile (Rocket) Ground Equipment Melt Welding General Technical Specification QJ 450 QJ 603-1992 Cable assembly manufacturing general technical specification QJ 813-1983 Painting General Technical Requirements QJ 911-1985 The specification for castings of stainless and acid-resistant steel GB/T 5330-2025 Industrial woven metal wire cloth(square opening series)