JB/T 5506-2007 Strong intensity electromagnetic disk separator

JB/T 5506-1991 CPR type disc type strong magnetic separator

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 GB 9969.1-1998 General principles for preparation of instructions for use of industrial products GB/T 13306-1991 Plates GB/T 13306-2011 Plates GB/T 1720-1979 GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 3768-1996 Acoustics—Determination of sound power levels of noise sources using sound pressure—Survey method using an enveloping measurement surface over a reflecting plane GB/T 3768-2017 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Survey method using an enveloping measurement surface over a reflecting plane GB/T 6388-1986 Transport package shipping mark JB/T 1604 GB/T 191-2025 Graphical symbols marking for handling and storage of packages