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GB/T 189-1997 Classification STANDARD for size fractions of coal via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 5751-2009E Chinese classification of coals (USD) via email in 1-3 business day VALID
GB/T 26128-2010 Classification and utilization of scarce and special coal resources (USD) via email in 1-3 business day VALID
MT/T 966-2005 Classification for fluorine in coal (USD) via email in 1-3 business day VALID
MT 47-1987 Determination Methods for Single Side Tensile Strength of Coal and Rock (USD) via email in 1 business day VALID
GB/T 20475.4-2012E Classification for content of harmful elements in coal— Part 4:Mercury (USD) via email in 1-3 business day VALID
SN/T 0362.1-1995 Method for the sampling and preparation of coal water mixture for export (USD) via email in 1-3 business day
MT/T 225-1990 (USD) via email in 1-3 business day VALID
GB/T 1573-1989 Determination of thermal stability of coal (USD) via email in 1-3 business day ABOLISHED
GB/T 15224.1-2010 Classification for quality of coal—Part 1:Ash (USD) via email in 1-3 business day ABOLISHED
GB/T 35064-2018 Specification of feedstocks for coal-oil co-processing (USD) via email in 1 business day VALID
GB/T 15591-1995 Judging method for reflectogram of commercial coal via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 23810-2009 Specification of coal for direct liquefaction (USD) via email in 1-3 business day VALID
GB/T 31426-2015 Coal water slurry for gasification (USD) via email in 1-3 business day VALID
MT 38-1987 General Requirements for Sampling of Coal and Rock for Physical and Mechanical Property Determination (USD) via email in 1 business day VALID
GB 26569-2011/XG1-2015 Civil coalbed methane(coal mine gas) via email in VALID please email coc@codeofchina.com for quotation
MT/T 965-2005 Classification for chromium in coal (USD) via email in 1-3 business day VALID
SD 328-1989 (USD) via email in 1-3 business day ABOLISHED
GB/T 15224.1-2004 Classification for quality of coal Part 1:Ash (USD) via email in 1-3 business day ABOLISHED
GB/T 25217.6-2019 Methods for test,monitoring and prevention of rock burst—Part 6:Monitoring method of drilling bits (USD) via email in 1-3 business day VALID
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