GB 50658
GB 50658, Total:1 items.
The international standard classification for "GB 50658" includes: .
The Chinese standard classification for "GB 50658" includes: Mine and coal engineering .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 50658-2011 Standard for preparing design document of construction project of electromechanical equipment repair plant in mining area of coal industry
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