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  2. Standards for coal mine water

coal mine water

coal mine water, Total:2 items.

The international standard classification for "coal mine water" includes: .

The Chinese standard classification for "coal mine water" includes: .

Hebei Provincial Standard of the People's Republic of China

  • DB13/T 5051-2019 Specifications for safety inspection and inspection of gas pumps in water ring vacuum extraction in coal mines

CN-KA

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