GB/T 23572-2009 Hydraulic system general specifications for metal cutting machine tools

GB/T 786.1-1993 Fluid power systems and components—Graphic symbols and circuit diagrams—Part 1:Graphic symbols GB/T 786.1-2009 Fluid power systems and components—Graphic symbols and circuit diagrams—Part 1:Graphic symbols for conventional use and data-processing applications GB/T 786.1-2021 Fluid power systems and components—Graphical symbols and circuit diagrams—Part 1:Graphical symbols GB/T 3766-2001 Hydraulic fluid power—General rules relating to systems GB/T 3766-2015 Hydraulic fluid power—General rules and safety requirements for systems and their components GB/T 7632-1987 Recommendations for the choice of lubricants for machine tools GB/T 7935-2005 Hydraulic fluid power—General requirements for hydraulic components GB/T 14039-2002 Hydraulic fluid power—Fluids—Method for coding the level of contamination by solid particles GB/T 16769-1997 Metal-cutting machine tools—Measurement method of sound pressure level GB/T 16769-2008 Metal-cutting machine tools—Measurement method of sound pressure level GB/T 17489-1998 Hydraulic fluid power—Particulate contamination analysis—Extraction of fluid samples from lines of an operating system GB/T 17489-2022 Hydraulic fluid power—Particulate contamination analysis—Extraction of fluid samples from lines of an operating system JB/T 7938-2010 Hydraulic pump station Nominal volume series of oil tank JB/T 7938-1999 Nominal capacity series of hydraulic pump station oil tank JB/T 8356.1-1996