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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| 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 2: Measurement |
 English PDF |
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