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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 18781-2023 |
Pearl grading {译} 珍珠分级 |
China National Standards Pearl |
 English PDF |
| GB/T 13299-2022 |
Evaluation method of free cementite, Pearlite and Widmanstatten structure of steel {译} 钢的游离渗碳体、珠光体和魏氏组织的评定方法 |
China National Standards Pearl |
English PDF |
| GB/T 40746-2021 |
Freshwater nucleated Pearl 淡水有核珍珠 |
China National Standards Pearl |
English PDF |
| GB 38030.4-2019 |
Dimensions series of standard transport ship types passing the locks of inland rivers—Part 4：The “three lanes” of the Pearl River system 内河过闸运输船舶标准船型主尺度系列 第4部分：珠江水系“三线” |
China National Standards Pearl |
English PDF |
| GB/T 37063-2018 |
Freshwater cultured Pearl mussels and classification of pearls 淡水育珠品种及其珍珠分类 |
China National Standards Pearl |
English PDF |
| 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 |
English PDF |
| GB/T 36930-2018 |
Pearl powder 珍珠粉 |
China National Standards Pearl |
English PDF |
| GB/T 35940-2018 |
Seawater cultured Pearl oysters and classification of pearls 海水育珠品种及其珍珠分类 |
China National Standards Pearl |
English PDF |
| GB/T 35915-2018 |
Cosmetic ingredients—Extract of Pearl 化妆品用原料 珍珠提取物 |
China National Standards Pearl |
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 |
English PDF |
| GB/T 18781-2008 |
Cultured Pearl grading 珍珠分级 |
China National Standards Pearl |
English PDF |
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