HG/T 21623-1990
Rigid PVC sight glass (English Version)
- Standard No.
- HG/T 21623-1990
- Language
- Chinese, Available in English version
- Release Date
- 1991
- Published By
- Professional Standard - Chemical Industry
- Latest
- HG/T 21623-1990
- Replace
- HGJ 519-1990
HG/T 21623-1990 history
- 1991 HG/T 21623-1990 Rigid PVC sight glass
HG/T 21623-1990 Rigid PVC sight glass has been changed from HGJ 519-1990 .
