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 涡旋干式真空泵
Vacuum technology - Scroll dry pump

2011-08-15

真空技术 爪型干式真空泵
Vacuum technology-Claw dry vacuum pump

2006-05-06

真空技术 螺杆型干式真空泵

2013-12-31

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