GB/T 15049.1-1994 General specification for preparing the geometry files of CAD standard parts

GB/T 15049.2-1994 CAD standard parts file—Specification of geometry and parameters—Elements of geometry class A

GB 4457.1 GB 4457.3 GB/T 10091.1-1995 Tabular layouts of article characteristics Definitions and principles 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 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 4458.4-2003 Mechanical drawings—Dimensioning GB/T 4458.5-2003 Mechanical drawings—Indication of tolerances for size and of fits 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 14665-1998 Mechanical engineering drawings rules of CAD GB/T 14665-2012 Mechanical engineering drawings rules of CAD GB/T 3057-1996 Information technology—Programming language—Fortran GB/T 4457.5-1984 Mechanical drawings--Symbols for sections GB/T 4458.3-1984 Mechanical drawings--Axonometric drawings GB/T 10091.1-2025 Tabular layouts of article characteristic—Part 1:Definitions and principles GB/Z 123.2-2025 Nanomanufacturing—Material specifications—Luminescent nanomaterials—Part 2:Detail specification for general lighting and display applications GB/Z 123.1-2025 Nanomanufacturing—Material specifications—Luminescent nanomaterials—Part 1:Blank detail specification

DIN 4001