译：JB/T 9220.7-1999 Chemical analysis methods for acid slay of cupola-Determination of calcium oxide by volumetric method using potassium permanganate

译：JB/T 9228-1999

译：JB/T 9220.11-1999 Chemical analysis methods for acid slay of cupola-Determination of sulphur by volumetric method using combustion of potassium iodate

译：JB/T 9220.4-1999 Chemical analysis methods for acid slay of cupola-Determination of manganous oxide by volumetric method using sodium arsenite nitrite

译：JB/T 9220.9-1999 Chemical analysis methods for acid slay of cupola-Determination of phosphorus pentoxide by extraction molybdophosphate yellow using methlisobutyl ketone spectrophotometic method of vanadium

译：JB/T 7945-1999 Methods for testing the mechanical properties of grey cast iron

译：JB/T 9220.5-1999 Chemical analysis methods for acid slay of cupola-Determination of aluminium oxide by volumetric method using sodium f luoride - EDTA

译：JB/T 9220.8-1999 Chemical analysis methods for acid slay of cupola-Determination of magnesium oxide by DDTC separation process and EDTA volumetric method

译：JB/T 5698-1991 The energy consumption classification of iron alloy preheating furnace