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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 37541-2019 |
Classification,codes and symbols for the features of lunar topographic map 月球地形图要素分类、代码与图式 |
China National Standards Graphic symbols codes |
 English PDF |
| GB/T 36489-2018 |
Flow chart of air separation plant—Graphical symbols and letter codes 空气分离设备流程图 图形符号和文字代号 |
China National Standards Graphic symbols codes |
English PDF |
| GB/T 12529.5-2010 |
Graphic symbols and codes for grain and oil industry - Part 5: Storing and handling 粮油工业用图形符号、代号 第5部分：仓储工业 |
China National Standards Graphic symbols codes |
English PDF |
| GB/T 12529.4-2008 |
Graphic symbols and codes for grain and oils industry - Part 4: Oils and fats industry 粮油工业用图形符号、代号 第4部分：油脂工业 |
China National Standards Graphic symbols codes |
English PDF |
| GB/T 12529.3-2008 |
Graphic symbols and codes for grain and oil industry - Part 3: Flour milling 粮油工业用图形符号、代号 第3部分：制粉工业 |
China National Standards Graphic symbols codes |
English PDF |
| GB/T 12529.1-2008 |
Graphic symbols and codes for grain and oil industry - Part 1: General items 粮油工业用图形符号、代号 第1部分：通用部分 |
China National Standards Graphic symbols codes |
English PDF |
| GB/T 12529.2-2008 |
Graphic symbols and codes for grain and oils industry - Part 2: Rice milling 粮油工业用图形符号、代号 第2部分：碾米工业 |
China National Standards Graphic symbols codes |
English PDF |
| GB/T 4270-1999 |
Graphical symbols and letter codes for thermal engineering in the technical documentation 技术文件用热工图形符号与文字代号 |
China National Standards Graphic symbols codes |
English PDF |
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