GB/T 28743-2012 Sewage treatment vessel equipment—General technical requirements

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 6388-1986 Transport package shipping mark GB/T 8923.1-2011 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 1:Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings GB/T 8923.2-2008 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 2:Preparation grades of previously coated steelsubstrates after localized removal of previous coatings GB/T 8923.3-2009 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 3:Preparation grades of welds,edges and other areas with surface imperfections GB/T 8923.4-2013 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 4:Initial surface conditions,preparation grades and flash rust grades in connection with high-pressure water jetting GB/T 13306-1991 Plates GB/T 13306-2011 Plates GB/T 13384-1992 General specifications for packagings of mechanical and electrical products GB/T 13384-2008 General specifications for packing of mechanical and electrical product GB/T 13922.1-1992 Performance test for water treatment equipment General rules GB/T 14048.1-2000 Low-voltage switchgear and controlgear—General rules GB 14048.1-2006 Low-voltage switchgear and controlgear—Part 1:General rules GB/T 14048.1-2012 Low-voltage switchgear and controlgear—Part 1:General rules GB/T 14048.1-2023 Low-voltage switchgear and controlgear—Part 1:General rules JB/T 81-2015 Sheet steel plate welding flanged steel pipe flange JB/T 5995-1992 JBT 5995-1992 Writing regulations for manuals for mechanical and electrical products usage JB/T 9568-2000 General Technical Requirements for Relays, Protection, and Automatic Devices in Power Systems JB/T 9667-1999 Modeling method for water treatment equipment - JB/T 9667-1999 JB 81-1994 Convex Panel-Type Flat-Weld Steel Pipe Flanges JB/T 2932-1999 Water treatment equipment technical specifications JB 8939-1999 Water Pollution Prevention and Control Equipment Safety Technical Specification GB 50235-2010 Code for construction and acceptance of industrial metallic piping GB/T 191-2025 Graphical symbols marking for handling and storage of packages