HY/T 114-2008 Nanofiltration device

GB/T 20502-2006 Type denomination for membrane modules and devices GB 150-1998 Steel pressure vessels GB/T 150.1-2011 Pressure vessels—Part 1:General requirements GB/T 150.1-2024 Pressure vessels—Part 1:General requirements GB/T 150.2-2011 Pressure vessels—Part 2:Materials GB/T 150.2-2024 Pressure vessels—Part 2:Materials GB/T 150.3-2011 Pressure vessels—Part 3:Design GB/T 150.3-2024 Pressure vessels—Part 3:Design GB/T 150.4-2011 Pressure vessels—Part 4:Fabrication,inspection and testing,and acceptance GB/T 150.4-2024 Pressure vessels—Part 4:Fabrication,inspection and testing,and acceptance GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 9174-1988 General specification for transport packages of general cargo GB/T 9174-2008 General specification for transport packages of general cargo GB 9969.1-1998 General principles for preparation of instructions for use of industrial products 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 5995-1992 JBT 5995-1992 Writing regulations for manuals for mechanical and electrical products usage HG/T 20520-1992 Glass-reinforced plastic/polyethylene (FRP/PVC) composite pipe design specifications (with explanatory text) 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 GB/Z 150-2025 Guide for magnetizing behaviour of permanent magnets