General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 17450-1998
Scope
This standard specifies the name, type, structure, marking and drawing rules of graph lines. This standard applies to various technical drawings, such as mechanical, electrical, architectural and civil engineering drawings, etc.
GB/T 17450-1998 history
1998GB/T 17450-1998 Technical drawings--Basic conventions for lines