GB/T 13554-2020 High efficiency particulate air filter

GB/T 13554-2008 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 531.1-2008 Rubber,vulcanized or thermoplastic—Determination of indentation hardness—Part 1:Duromerer method(Shore hardness) GB/T 3274-1988 Carbon structural and low alloy steel rolled plates and strips GB/T 3274-2007 Hot-rolled plates and strips of carbon structural steels and high strength low alloy structural steels GB/T 3274-2017 Hot-rolled plates,sheets and strips of carbon structural steels and high strength low alloy structural steels 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 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/T 6669-2001 Polymeric material,cellular flexible—Determination of compression set GB/T 6669-2008 Flexible cellular polymeric materials—Determination of compression set 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 12914-1991 Paper and board—Determination of tensile properties—Constant rate of elongation method GB/T 12914-2008 Paper and board—Determination of tensile properties GB/T 12914-2018 Paper and board—Determination of tensile properties—Constant rate of elongation method(20 mm/min) JG/T 404-2013 Air filter media 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