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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 18024.2-2010 |
Graphical symbols for the technical documentation of coal mine machinery - Part:2 Graphical symbols for coal face support and prop 煤矿机械技术文件用图形符号 第2部分：采煤工作面支架及支柱图形符号 |
China National Standards Part:2 |
 English PDF |
| GB/T 22181.22-2008 |
Plasma display panels Part:2-2 Measuring Methods-Optoelectrical 等离子体显示器件 第2-2部分：光电参数测量方法 |
China National Standards Part:2 |
English PDF |
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