HG 20519.34-1992
Legends used on equipment and piping layout drawings (English Version)
- Standard No.
- HG 20519.34-1992
- Language
- Chinese, Available in English version
- Release Date
- 1993
- Published By
- Professional Standard - Chemical Industry
- Status
- 2010-06
- Replace By
- HG/T 20519-2009
- Latest
- HG/T 20519-2009
HG 20519.34-1992 history
- 2009 HG/T 20519-2009 Specification on content and procedure of detail design for chemical plant
- 1993 HG 20519.34-1992 Legends used on equipment and piping layout drawings
HG 20519.34-1992 Legends used on equipment and piping layout drawings was changed to HG/T 20519-2009 Specification on content and procedure of detail design for chemical plant.
