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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 36923-2018 |
Identification of Pearl powder―X-ray diffraction analysis 珍珠粉鉴别方法-X射线衍射分析法 |
China National Standards Pearl powder |
 English PDF |
| GB/T 36930-2018 |
Pearl powder 珍珠粉 |
China National Standards Pearl powder |
English PDF |
| GB/T 34406-2017 |
Identification of Pearl powder—Near infrared spectroscopy method 珍珠粉鉴别方法 近红外光谱法 |
China National Standards Pearl powder |
English PDF |
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