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YS/T 1168-2016 飾品用鍺合金 Germanium alloy for jewelry2024-01-03

GB/T 11069-2017 高純二氧化鍺 High purity germanium dioxide2023-08-27

GB/T 11070-2017 還原鍺錠 Reduced germanium ingot2023-05-26

GB/T 1553-2009硅和鍺體內(nèi)少數(shù)載流子壽命測(cè)定光電導(dǎo)衰減法Test methods for minority carrier lifetime in bulk ger...2022-06-10

Recovering germanium from coal ash by chlorination with ammonium chloride2020-06-12