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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 Vacuum technology Roots |
 English PDF |
| GB/T 25753.3-2011 |
Vacuum technology - Roots vacuum pump - Measurement of performance characteristics - Part 3: Measurement of overflow valve differential pressure 真空技术 罗茨真空泵性能测量方法 第3部分：溢流阀压差的测量 |
China National Standards Vacuum technology Roots |
English PDF |
| GB/T 25753.2-2010 |
Vacuum technology - Roots vacuum pump - Measurement of performance characteristics - Part 2: Measurement of compression ratio of the zero throughput 真空技术 罗茨真空泵性能测量方法 第2部分：零流量压缩比的测量 |
China National Standards Vacuum technology Roots |
English PDF |
| GB/T 25753.1-2010 |
Vacuum technology - Roots vacuum pump - Measurement of performance characteristics - Part 1: Measurement of maximum tolerable differential pressure 真空技术 罗茨真空泵性能测量方法 第1部分：最大允许压差的测量 |
China National Standards Vacuum technology Roots |
English PDF |
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