Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
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 tolerable |
English PDF |
GB 6830-1986 |
The tolerable limits of danger ontelecommunication lines from power lines 电信线路遭受强电线路危险影响的容许值 |
China National Standards tolerable |
English PDF |
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