GB/T 13554-2008 High efficiency particulate air filter

GB/T 13554-1992 High efficiency particulate air filter

GB/T 13554-2020 High efficiency particulate air filter

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 451.3-2002 Paper and board—Determination of thickness GB/T 453-2002 Paper and board—Determination of tensile properties(Constant rate of loading methods) GB/T 912-1989 Hot-rolled plain carbon and low alloy structural steel sheets and strips GB/T 912-2008 Hot-rolled sheets and strips of carbon structural steels and high strength low alloy structural steels GB 3198-1996 Aluminium foil for general purpose GB/T 3198-2003 Aluminium and aluminium—Alloy foil GB/T 3198-2010 Aluminium and aluminium alloys foils GB/T 3198-2020 Aluminium and aluminium alloy foils GB/T 3280-1992 Cold rolled stainless steel sheets and plates GB/T 3280-2007 Cold rolled stainless steel plate, sheet and strip GB/T 3280-2015 Cold rolled stainless steel plate, sheet and strip GB/T 3880.1-2006 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 1:Technical conditions of delivery GB/T 3880.1-2012 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 1:Technical conditions of delivery GB/T 3880.1-2023 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 1:Technical conditions of delivery GB/T 3880.2-2006 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 2:Mechanical properties GB/T 3880.2-2012 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 2:Mechanical properties GB/T 3880.2-2024 Wrought aluminium and aluminium alloy plates,sheets and strips for general engineering—Part 2:Mechanical properties GB/T 4857.23-2003 Packaging—Transport packages—Random vibration test method GB/T 4857.23-2012 Packaging—Basic tests for transport packages—Part 23:Random vibration test method GB/T 4857.23-2021 Packaging—Basic tests for transport packages—Part 23:Vertical random vibration test method GB/T 5849-1999 Blockboard GB/T 5849-2006 Blockboard GB/T 5849-2016 Blockboards and battenboards GB/T 6165-1985 Methods for testing the performance of high efficiency particulate air filter—Penetration and resistance GB/T 6165-2008 Test methed of the performance of high efficiency particulate air filter—Efficiency and risistance GB/T 6165-2021 Test method of the performance of high efficiency particulate air filter—Efficiency and resistance GB 8624-1997 Classification on burning behaviors for building materials GB 8624-2006 Classification for burning behavior of building materials and products GB 8624-2012 Classification for burning behavior of building materials and products GB/T 9846.3-2004 Plywood—Part 3:General specification for plywood for general use GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB 8624-2025 Classification for burning behavior of building materials and products