QJ 1744-1989 Rules for the preparation of process equipment standards

GB/T 1.1-2000 Directives for standardization—Part 1:Rules for the structure and drafting of standards (ISO/IEC Directives, Part 3,1997,Rules for the structure and drafting of international standards, NEQ) GB/T 1.1-2009 Directives for standardization—Part 1:Structure and drafting of standards GB/T 1.1-2020 Directives for standardization—Part 1:Rules for the structure and drafting of standardizing documents GB 1.3 GB/T 1031-1995 Surface roughness parameters and their values GB/T 1031-2009 Geometrical Product Specifications (GPS)—Surface texture:Profile method—Surface roughness parameters and their values GB/T 1182-1996 Geometrical tolerancing—Generalities, definitions, symbols, indications on drawings GB/T 1182-2008 Geometrical Product Specifications(GPS)—Geometrical tolerancing—Tolerances of form, orientation, location and run-out GB/T 1182-2018 Geometrical product specifications(GPS)—Geometrical tolerancing—Tolerances of form,orientation,location and run-out GB 1183 GB/T 1184-1996 Geometrical tolerancing—Geometrical tolerance for features without individual tolerance indications GB/T 131-1993 Mechanical drawings—Surface roughness symbols and methods of indicating GB/T 131-2006 Geometrical Product Specifications (GPS)—Indication of Surface texture in technical Product documentation GB/Z 131-2025 Sharing economy—General trustworthiness and safety requirements for digital platform GB/T 1800.1-1997 Limits and fits—Bases—Part 1:Terminology GB/T 1800.1-2009 Geometrical Product Specifications (GPS)—Limits and fits—Part 1:Bases of tolerances,deviations and fits GB/T 1800.1-2020 Geometrical product specifications (GPS)—ISO code system for tolerances on linear sizes—Part 1:Basis of tolerances, deviations and fits GB/T 1800.2-1998 Limits and fits—Bases—Part 2:Basic rules of tolerances, deviations and fits GB/T 1800.2-2009 Geometrical Product Specifications (GPS)—Limits and fits—Part 2:Tables of standard tolerance grades and limit deviations for holes and shafts GB/T 1800.2-2020 Geometrical product specifications(GPS)—ISO code system for tolerances on linear sizes—Part 2:Tables of standard tolerance classes and limit deviations for holes and shafts GB/T 1800.3-1998 Limits and fits—Bases—Part 3:Numerical values tables of standard tolerances and fundamental deviations GB/T 1800.4-1999 Limits and fits Tables of standard tolerance grades and limit deviations for holes and shafts GB/T 1801-1999 Limits and fits—Selection of tolerance zones and fits GB/T 1801-2009 Geometrical Product Specifications (GPS)—Limits and fits—Selection of tolerance zones and fits GB 1802 GB/T 1803-2003 Limits and fits Tolerance zones for holes and shafts size up to 18mm GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance indications GB/T 192-2003 General purpose metric screw threads—Basic profile GB/T 192-2025 General purpose metric screw threads—Profiles GB/T 193-2003 General purpose metric screw threads—General plan GB/T 196-2003 General purpose metric screw threads—Basic dimensions GB/T 196-2025 General purpose metric screw threads—Basic dimensions GB/T 197-2003 General purpose metric screw threads—Tolerances GB/T 197-2018 General purpose metric screw threads—Tolerances GB 2515 GB/T 2516-2003 General purpose metric screw threads—Limit deviations GB/T 2516-2023 General purpose metric screw threads—Limit deviations GB/T 3505-2000 Geometrical product specifications (GPS)—Surface texture:Profile method—Terms, definitions and surface texture parameters GB/T 3505-2009 Geometrical Product Specifications (GPS)—Surface texture:Profile method—Terms,definitions and surface texture parameters GB/T 4457.2-2003 Technical drawing—Drawing presentation-General principles of leader lines and reference lines GB/T 4457.4-2002 Mechanical drawings—General principles of presentation-Lines GB/T 4457.5-2013 Mechanical drawings—Basic conventions for representing areas on cuts and sections GB/T 4457.5-1984 Mechanical drawings--Symbols for sections GB/T 4458.1-2002 Mechanical drawings—General principles of presentation-Views GB/T 4458.2-2003 Mechanical drawings—Item references and its arrangement for assembling drawings GB/T 4458.3-2013 Mechanical drawings—Axonometric drawings GB/T 4458.3-1984 Mechanical drawings--Axonometric drawings GB/T 4458.4-2003 Mechanical drawings—Dimensioning GB/T 4458.5-2003 Mechanical drawings—Indication of tolerances for size and of fits GB/T 4458.6-2002 Mechnical drawings—General principles of presentation—Sections GB/T 4459.1-1995 Mechanical drawings—Representation of screw threads and threaded parts GB/T 4459.2-2003 Mechanical drawings—Conventional representation of gears GB/T 4459.3-2000 Mechanical drawings—Representation of splines GB/T 4459.4-2003 Mechanical drawings—Conventional reprensentation of springs GB/T 4459.5-1999 Mechanical drawings—Representation of centre holes GB/T 4459.6-1996 Mechanical drawings—Representation of seals for dynamic application GB/T 4459.7-1998 Mechanical drawings—Representation of rolling bearings GB/T 4459.7-2017 Technical drawings—The detailed simplified representation of rolling bearings GB/T 4459.8-2009 Mechanical drawings—Seals for dynamic application—Part 1:General simplified representation GB/T 4459.9-2009 Mechanical drawings—Seals for dynamic application—Part 2:Detailed simplified representation GB/T 4460-2013 Mechanical drawings—Graphical symbols for kinematic diagrams QJ 993.2-1988 Standard Equipment Numbering System Ordinary Equipment Numbering Methodology