HB 7744-2004 UG drawing standard

GB/T 10609.1-1989 Technical drawings—Title blocks GB/T 10609.1-2008 Technical drawings—Title blocks GB/T 10609.2-1989 Technical drawings—Item lists GB/T 10609.2-2009 Technical drawings—Item lists GB/T 12212-1990 Technical drawings Dimensions, proportions and simplified representation for welding symbols GB/T 12212-2012 Technical drawings—Dimensions,proportions and simplified representation for welding symbols 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/T 14665-1998 Mechanical engineering drawings rules of CAD GB/T 14665-2012 Mechanical engineering drawings rules of CAD GB/T 14689-1993 Technical drawings—Size and layout of drawing sheets GB/T 14689-2008 Technical drawings—Size and layout of drawing sheets GB/T 14691-1993 Technical drawings—Lettering GB/T 14691.4-2005 Technical product documentation—Lettering—Part 4:diacritical and particular marks for the Latin alphabet GB/T 14691.6-2005 Technical product documentation—Lettering—Part 6:Cyrillic alphabet GB/T 14692-1993 Technical drawings—Projection methods GB/T 14692-2008 Technical drawings—Projection methods GB/T 15754-1995 Technical drawings—Dimensioning and tolerancing of cones GB/T 16675.1-1996 Technical drawings—Simplified representation—Part 1:Pictorial presentation GB/T 16675.1-2012 Technical drawings—Simplified representation—Part 1:Pictorial presentation GB/T 17452-1998 Technical drawings—General principles of presentation—Sections and cuts GB/T 17453-1998 Technical drawings—General principles of presentation—Representation of areas on cuts and sections GB/T 17453-2005 Technical drawings—General principles of presentation—Basic conventions for representing areas on cuts and sections GB/T 324-1988 Welds-symbolic representation on drawings GB/T 324-2008 Weld symbolic representation on drawings 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 4458.4-2003 Mechanical drawings—Dimensioning GB/T 4458.5-2003 Mechanical drawings—Indication of tolerances for size and of fits GB/T 4459.4-2003 Mechanical drawings—Conventional reprensentation of springs HB 5614.3 HB 5859.1 GB/T 15754-2025 Geometrical product specifications(GPS)—Dimensioning and tolerancing—Cones GB/Z 131-2025 Sharing economy—General trustworthiness and safety requirements for digital platform