Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
DZ/T 0416—2022 |
Identification of seawater pearls and freshwater pearls by X-ray fluorescence spectrometry {译} 海水珍珠与淡水珍珠的鉴别 X射线荧光光谱法 |
China Geology & Mineralogy Industry
Standards Identification seawater pearls |
English PDF |
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