Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Position: Search valid to be valid superseded to be superseded abolished to be abolished
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GB/T 15589-2013 Classification of Microlithotype 110.0 via email in 1~3 business day valid
MT/T 958-2005 The technical specifications in driving the cross-cut an outburst seam by the concussion blasting method 75.0 via email in 1~3 business day valid
MT/T 507-1995 General Requirements for Coal Petrography Analysis Method 90.0 via email in 1~3 business day valid
GB/T 30050-2013 Classification of coal-body structure 110.0 via email in 1~3 business day valid
DZ/T 0002.1-1991 Description standard of coalbearing strata borehole core - sedimentary structure part 480.0 via email in 1~5 business day abolished
GB 12937-1991 240.0 via email in 1~3 business day superseded
GB/T 6948-2008 Method of determining microscopically the reflectance of vitrinite in coal 180.0 via email in 1~3 business day valid
MT/T 959-2005 The technical specifications of the remotely initiated blasting in danger face of coal(rock) and gas outburst 60.0 via email in 1~3 business day valid
GB/T 8899-2013 Methods for coal maceral grouping and mineral determination 140.0 via email in 1~3 business day valid
MT/T 42-1987 Method for the determination of water absorption of standard rock 45.0 via email in 1~3 business day valid
MT/T 955-2005 Technical specifications of the procedures for exposing outburst seams by a crosscut 75.0 via email in 1~3 business day valid
MT/T 957-2005 Technical specifications of outburst prevention by advance degassing holes in coal roadway drivage face 120.0 via email in 1~3 business day valid
GB/T 15590-1995 Determination of microlithotype composition 135.0 via email in 1~3 business day abolished
MT/T 807-1999 Separation of vitrinite group in bituminous coal 90.0 via email in 1~3 business day valid
GB/T 18023-2000 Classification of macrolithotype for bituminous coal 75.0 via email in 1~3 business day valid
GB/T 6948-1998 Microscopical determination of the reflectance of vitrinite in coal 225.0 via email in 1~3 business day abolished
MT 43-1987 Determination Methods for Water Content of Rock 30.0 via email in 1~3 business day valid
DZ/T 0002.2-1991 Description standard of coalbearing strata borehole core - lithogenesy type part 960.0 via email in 1~8 business day abolished
GB/T 19222-2003 Sampling of coal petrology 75.0 via email in 1~3 business day valid
GB/T 12937-2008 Terms relating to coal petrology 360.0 via email in 1~5 business day valid
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