GBT50554
GBT50554, Total:2 items.
The international standard classification for "GBT50554" includes: .
The Chinese standard classification for "GBT50554" includes: Mine and coal engineering .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 50554-2017 Design document preparation standard of mine construction project in coal industry
- GB/T 50554-2010 Design document preparation standard of mine construction project in coal industry
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