真空技术 罗茨真空泵性能测量方法 第4部分：噪声的测量
Vacuum technology—Roots vacuum pump— Measurement of performance characteristics—Part 4: Measurement of noise
2015-12-10
GB/T 25753.1-2010
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
Vacuum technology - Roots vacuum pump - Measurement of performance characteristics - Part 1: Measurement of maximum tolerable differential pressure
2010-12-23
GB/T 25753.2-2010
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
Vacuum technology - Roots vacuum pump - Measurement of performance characteristics - Part 2: Measurement of compression ratio of the zero throughput
2010-12-23
GB/T 25753.3-2011
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
Vacuum technology - Roots vacuum pump - Measurement of performance characteristics - Part 3: Measurement of overflow valve differential pressure