JB/T 580-1979
Swivel cover manhole (English Version)
- Standard No.
- JB/T 580-1979
- Language
- Chinese, Available in English version
- Release Date
- 1979
- Published By
- Professional Standard - Machinery
- Status
- 2010-02
- Latest
- JB/T 580-1979
JB/T 580-1979 history
- 1979 JB/T 580-1979 Swivel cover manhole
