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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 29913.1-2013 |
Bearing steel for wind power equipment - Part 1: Yawing and variable pitch bearing steel 风力发电设备用轴承钢 第1部分：偏航、变桨轴承用钢 |
China National Standards Bearing steel wind |
 English PDF |
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