SPC GB/T 7739.13-2019 Methods for chemical analysis of gold concentrates -- Part 13: Determination of lead, zinc, bismuth, cadmium, chromium, arsenic and mercury contents -- Inductively coupled plasma atomic emission spectrometry (TEXT OF DOCUMENT IS IN CHINESE) standard by Standards Press of China,...
SPC GB/T 37595-2019 General requirements for anticorrosion coating corrosion control engineering life cycle (TEXT OF DOCUMENT IS IN CHINESE) standard by Standards Press of China, 05/01/2020
SPC GB/T 37486-2019 Classification and code for facilities and equipments of urban rail transit (TEXT OF DOCUMENT IS IN CHINESE) standard by Standards Press of China, 05/01/2020
SPC GB/T 37636-2019 Welded steel pipes for offshore engineering pile (TEXT OF DOCUMENT IS IN CHINESE) standard by Standards Press of China, 05/01/2020
SPC GB/T 37617-2019 Test methods for Zeta potential of nanofiltration membrane surface -- Streaming potential measurement (TEXT OF DOCUMENT IS IN CHINESE) standard by Standards Press of China, 05/01/2020
SPC GB/T 37599-2019 Wide and heavy steel plate for sour service petroleum and natural gas pipe lines (TEXT OF DOCUMENT IS IN CHINESE) standard by Standards Press of China, 05/01/2020
SPC GB/T 37596-2019 Magnesium alloy forgings for aerospace (TEXT OF DOCUMENT IS IN CHINESE) standard by Standards Press of China, 05/01/2020
SPC GB/T 37592-2019 Carbonaceous mesophase spheres (TEXT OF DOCUMENT IS IN CHINESE) standard by Standards Press of China, 05/01/2020
SPC GB/T 37591-2019 Cold-rolled non-grain oriented electrical steel strip specialized for large generators with power of 700 MW or higher (TEXT OF DOCUMENT IS IN CHINESE) standard by Standards Press of China, 05/01/2020
SPC GB/T 37572-2019 Copper and copper alloy strip for heat exchanger (TEXT OF DOCUMENT IS IN CHINESE) standard by Standards Press of China, 05/01/2020
SPC GB/T 37575-2019 Cathodic protection of buried grounding conduct (TEXT OF DOCUMENT IS IN CHINESE) standard by Standards Press of China, 05/01/2020
SPC GB/T 37567-2019 Copper and copper alloy sheet and strip for building decoration (TEXT OF DOCUMENT IS IN CHINESE) standard by Standards Press of China, 05/01/2020