SPC GB/T 24583.4-2019 Vanadium-nitrogen -- Determination of carbon content -- Infrared absorption method (TEXT OF DOCUMENT IS IN CHINESE) standard by Standards Press of China, 05/01/2020
SPC GB/T 24583.2-2019 Vanadium-nitrogen -- Determination of nitrogen content -- Thermal conductimetric method after fusion in a current of inert gas (TEXT OF DOCUMENT IS IN CHINESE) standard by Standards Press of China, 05/01/2020
SPC GB/T 24583.1-2019 Vanadium-nitrogen -- Determination of vanadium content -- Ammonium ferrous sulfate titration method (TEXT OF DOCUMENT IS IN CHINESE) standard by Standards Press of China, 05/01/2020
SPC GB/T 16597-2019 Analytical methods of metallurgical products -- General rule for X-ray fluorescence spectrometric methods (TEXT OF DOCUMENT IS IN CHINESE) standard by Standards Press of China, 05/01/2020
SPC GB 19576-2019 Minimum allowable values of energy efficiency and energy efficiency grades for unitary air conditioners (TEXT OF DOCUMENT IS IN CHINESE) standard by Standards Press of China, 05/01/2020
SPC GB/T 10666-2019 Calcium hypochlorite (TEXT OF DOCUMENT IS IN CHINESE) standard by Standards Press of China, 05/01/2020
SPC GB/T 17037.1-2019 Plastics -- Injection moulding of test specimens of thermoplastic materials -- Part 1:General principles,and moulding of multipurpose and bar test specimens (TEXT OF DOCUMENT IS IN CHINESE) standard by Standards Press of China, 04/01/2020
SPC GB/T 37428-2019 Methods of determination and calculation of thermal balance in electric arc furnace (TEXT OF DOCUMENT IS IN CHINESE) standard by Standards Press of China, 04/01/2020
SPC GB/T 37430-2019 High strength stainless structural steel for constructions (TEXT OF DOCUMENT IS IN CHINESE) standard by Standards Press of China, 04/01/2020
SPC GB/T 37427-2019 Plastics -- Acrylonitrile-butadiene-styrene (ABS) compound for automobile (TEXT OF DOCUMENT IS IN CHINESE) standard by Standards Press of China, 04/01/2020
SPC GB/T 37429-2019 Guides for energy efficiency assessment of electric arc furnace process (TEXT OF DOCUMENT IS IN CHINESE) standard by Standards Press of China, 04/01/2020
SPC GB/T 37426-2019 Plastics -- Test specimens (TEXT OF DOCUMENT IS IN CHINESE) standard by Standards Press of China, 04/01/2020