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NB/T 51041-2015

Chinese Standard: 'NB/T 51041-2015'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
NB/T 51041-2015English189 Add to Cart Days<=3 The technical requirements of equipment selection and matching for ten-million-ton-level fully mechanized top coal caving mining face NB/T 51041-2015 Valid NB/T 51041-2015

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