罗茨真空泵
Roots vacuum pump

2017-01-09

真空技术 湿式罗茨真空泵
Vacuum technology - Wet roots vacuum pump

2016-01-15

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

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

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

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

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

Drain and sewer systems outside buildings. Pumping systems-Vacuum systems
建筑物外的排水和下水道系统 抽水系统 真空系统

2018-07-27

Drain and sewer systems outside buildings - Pumping systems - Part 3: Vacuum systems
建筑物外排水和下水道系统.泵送系统.第3部分:真空系统

2018-07-01

The Application of Vacuum Pumps and Outdoor Reset Control on a Steam Heating System
真空泵和室外复位控制在蒸汽供暖系统中的应用

车用刹车系统电子真空泵烧结盖板和定子技术条件
Specifications for sintered cover plates and stator for electronic vacuum pump of automotive brake system

2020-08-31