75 GB/T 5449-1997 煙煤羅加指數測定方法 Determination of roga index of bituminous coal

　　76 GB/T 4633-1997 煤中氟的測定方法 Determination of fluorine in coal

　　77 GB/T 5448-1997 煙煤坩堝膨脹序數的測定 電加熱法 Determination of the crucible swelling number of bituminous coal--Electrical heating

　　78 GB/T 5450-1997 煙煤奧阿膨脹計試驗 Audibert-Arnu dilatometer test of bituminous coal

　　79 GB/T 189-1997 煤炭粒度分級 Classification standard for size fractions of coal

　　80 GB/T 211-1996 煤中全水分的測定方法 Determination of total moisture in coal

　　81 GB/T 212-1991 煤的工業分析方法 Proximate analysis of coal

　　82 GB/T 213-1996 煤的發熱量測定方法 Determination of calorific value of coal

　　83 GB/T 214-1996 煤中全硫的測定方法 Determination of total sulfur in coal

　　84 GB/T 215-1996 煤中各種形態硫的測定方法 Determination of forms of sulfur in coal

　　85 GB/T 7701.1-1997 脫硫用煤質顆�；钚蕴� Granular activated carbon from coal for desulfurization

　　86 GB/T 7701.2-1997 回收溶劑用煤質顆�；钚蕴� Granular activated carbon from coal for solvent recovery

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