43 GB/T 3814-1983 褐煤蠟粘度測定方法 Determination of viscosity of montan wax

　　44 GB/T 3815-1983 褐煤蠟加熱損失量測定方法 Determination of loss in weight of montan wax

　　45 GB/T 3816-1983 褐煤蠟中地瀝青含量測定方法 Determination of asphalt in montan wax

　　46 GB/T 4063-1983 蒸汽機車用煤質量 Specification of coals for steam locomotive

　　47 GB/T 4634-1996 煤灰中鉀、鈉、鐵、鈣、鎂、錳的測定方法(原子吸收分光光度法) Determination of potassium,sodium,iron,calcium,magnesium and manganese in coal ash by atomic absorption spectrometric method

　　48 GB 5751-1986 中國煤碳分類 Classification of Chinese coals

　　49 GB/T 7560-1987 煤中礦物質的測定方法 Determination of mineral matter in coal

　　50 GB/T 7563-1987 水泥回轉窯用煤質量 Quality of coal for cement rotary kiln

　　51 GB/T 8207-1987 煤中鍺的測定方法 Determination of germanium in coals

　　52 GB/T 8208-1987 煤中鎵的測定方法 Determination of gallium in coals

　　53 GB/T 9143-1988 常壓固定床煤氣發生爐用煤質量標準 Quality standard of coal for fixed-bed gas producter at atmospheric pressure

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