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  2. Standards for Calculation method and requirements of coal mine recovery rate

Calculation method and requirements of coal mine recovery rate

Calculation method and requirements of coal mine recovery rate, Total:1 items.

The international standard classification for "Calculation method and requirements of coal mine recovery rate" includes: Coals .

The Chinese standard classification for "Calculation method and requirements of coal mine recovery rate" includes: Solid fuel ore in general .

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

  • GB/T 31089-2014 Computation and requirement of recovery ratio of coal mine

Calculation method and requirements of coal mine recovery rate

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