JB/T 6921-2017
罗茨真空泵机组
Roots vacuum pump system
2017-01-09
JB/T 7674-2017
罗茨真空泵
Roots vacuum pump
2017-01-09
T/ZZB 3749-2024
多级罗茨干式真空泵
2024-07-05
JB/T 12586-2016
真空技术 湿式罗茨真空泵
Vacuum technology - Wet roots vacuum pump
2016-01-15
JB/T 11237-2011
真空技术 多级罗茨干式真空泵
Vacuum technology — Multi-stage Roots dry pumps
2011-12-20
DIN 28426-2
Vacuum technology; acceptance specifications for roots vacuum pumps for the range of medium vacuum
真空技术；中真空罗茨真空泵验收规范
1976-03-01
GB/T 25753.4-2015
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
2011-11-21