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SPC GB/T 13893.2-2019...
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SPC GB/T 26075-2019Steel bars for sucker rods (TEXT OF DOCUMENT IS IN CHINESE)standard by Standards Press of China, 05/01/2020
SPC GB/T 25832-2019Hot rolled steel plate and strip for porcelain enameling (TEXT OF DOCUMENT IS IN CHINESE)standard by Standards Press of China, 05/01/2020
SPC GB/T 2524-2019Titanium sponge (TEXT OF DOCUMENT IS IN CHINESE)standard by Standards Press of China, 05/01/2020
SPC GB/T 24583.8-2019Vanadium-nitrogen -- Determination of silicon, manganese, phosphorus, aluminum content -- Inductively coupled plasma atomic emission spectrometric method (TEXT OF DOCUMENT IS IN CHINESE)standard by Standards Press of China, 05/01/2020
SPC GB/T 24588-2019Stainless steel spring wires (TEXT OF DOCUMENT IS IN CHINESE)standard by Standards Press of China, 05/01/2020
SPC GB/T 24583.7-2019Vanadium-nitrogen -- Determination of oxygen content -- Infrared absorption method (TEXT OF DOCUMENT IS IN CHINESE)standard by Standards Press of China, 05/01/2020
SPC GB/T 24583.5-2019Vanadium-nitrogen -- Determination of phosphorus content -- Bismuth molybdenum blue spectrophotometric method (TEXT OF DOCUMENT IS IN CHINESE)standard by Standards Press of China, 05/01/2020
SPC GB/T 24583.4-2019Vanadium-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 24583.2-2019Vanadium-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 24583.1-2019Vanadium-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 16597-2019Analytical 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 19576-2019Minimum 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