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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 25753.4-2015 |
Vacuum technology—Roots vacuum pump— Measurement of performance characteristics—Part 4: Measurement of noise 真空技术 罗茨真空泵性能测量方法 第4部分：噪声的测量 |
China National Standards technology—Roots |
 English PDF |
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