DZ/T 0052-1993
Tunnel drilling rig series (English Version)
- Standard No.
- DZ/T 0052-1993
- Language
- Chinese, Available in English version
- Release Date
- 1993
- Published By
- Professional Standard - Geology
- Latest
- DZ/T 0052-1993
DZ/T 0052-1993 history
- 1993 DZ/T 0052-1993 Tunnel drilling rig series
