YD/T 522-1992
Drum type mail bag dust collector (English Version)
- Standard No.
- YD/T 522-1992
- Language
- Chinese, Available in English version
- Release Date
- 1992
- Published By
- Professional Standard - Post and Telecommunication
- Latest
- YD/T 522-1992
YD/T 522-1992 history
- 1992 YD/T 522-1992 Drum type mail bag dust collector
