GB/T 21483-2008 Marine water jet pump

GB/T 197-2003 General purpose metric screw threads—Tolerances GB/T 700-2006 Carbon structural steels GB/T 1176-1987 Specification for cast copper alloys GB/T 1220-2007 Stainless steel bars GB/T 2100-2002 Corrosion-resistant steel castings for general applications GB/T 5231-2001 Wrought copper and copper alloys chemical composition limits and forms of wrought products GB/T 9439-1988 Grey iron castings GB/T 11352-1989 Carbon steel castings for general engineering purposes GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 2031-1994 Marine fire-fighting coupeigs GB/T 2031-2018 Marine fire coupling GB/T 2501-1989 Marine pipe flanges—Connection dimensions and mating face GB/T 2501-2010 Connection dimensions and mating face of marine flanges GB/T 2503-1989 Marine cast iron pipe flanges GB/T 2504-1989 Marine cast steel pipe flanges GB/T 2505-1989 Marine cast brass pipe flanges GB/T 2507-1989 Marine blass pipe flanges, braze-on CB/T 45-2011 Marine copper flange casting CB/T 48-2007 Marine welding copper flange。 CB/T 43-1999 Marine cast iron flange CB/T 44-1999 Marine steel flange, CB/T 44-1999 CB/T 45-1999 Marine Bronze Flanged Coupling CB/T 48-1999 Marine welding copper flange GB/T 191-2025 Graphical symbols marking for handling and storage of packages