This standard specifies the basic representation of section areas. This standard applies to various technical drawings, such as mechanical, electrical, architectural and civil engineering drawings, etc.
GB/T 17453-1998 history
2005GB/T 17453-2005 Technical drawings.General principles of presentation.Basic conventions for representing areas on cuts and sections
1998GB/T 17453-1998 Technical drawings--General principles of presentation--Representation of areas on cuts and sections