SJ 1767-1981
Metallic bell cover for vacuum equipment--Nominal diameter (English Version)
- Standard No.
- SJ 1767-1981
- Language
- Chinese, Available in English version
- Release Date
- 1981
- Published By
- Professional Standard - Electron
- Latest
- SJ 1767-1981
SJ 1767-1981 history
- 1981 SJ 1767-1981 Metallic bell cover for vacuum equipment--Nominal diameter
