MT/T 937-2025 General specifications for determinator of plastometric indices of bituminous coal

MT/T 937-2005 General specifications for determinator of plastometric indices of bituminous coal

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB/T 479-2000 Determination of plastometric indices of bituminous coal GB/T 479-2016 Determination of plastometric indices of bituminous coal GB/T 483-1998 General rules for analytical and testing methods of coal GB/T 483-2007 General rules for analytical and testing methods of coal GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2997-2000 Test method for bulk density, apparent porosity and true porosity of dense shaped refractory products GB/T 2997-2015 Test method for bulk density,apparent porosity and true porosity of dense shaped refractory products GB/T 6900.4-1986 Fireclay and high-alumina refractories—Determination of aluminium oxide content—EDTA volumetric method GB/T 7322-1997 Test method for pyrometric cone equivalent(refractoriness) of refractories GB/T 7322-2007 Refractory products—Determination of pyrometric cone equivalent (refractoriness) GB/T 7322-2017 Refractory products—Determination of refractoriness GB/T 13384-1992 General specifications for packagings of mechanical and electrical products GB/T 13384-2008 General specifications for packing of mechanical and electrical product GB/T 15479-1995 Technical requirements and test methods of insulation resistance and insulating strength for use in industrial process measurement and control instruments