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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 19956.2-2005 |
Positive-displacement cacuum pumps-Measurement of performance characteristics Part2:Measurement of ultimate pressure 容积真空泵性能测量方法 第2部分：极限压力的测量 |
China National Standards Positive displacement cacuum |
 English PDF |
| GB/T 19956.1-2005 |
Positive-displacement cacuum pumps-Measurement of performance characteristics Part1:Measurement of volume rate of flow(pumping speed) 容积真空泵性能测量方法 第1部分：体积流率（抽速）的测量 |
China National Standards Positive displacement cacuum |
English PDF |
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