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2007-09-10

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2015-12-10

Industrial-process control valves-Flow capacity. Test procedures
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2016-04-30

IEC 60534-9. Industrial Process Control Valves. Part 9. Test Procedure for Response Measurements from Step Inputs
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2004-03-02

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1999-05-07

工业过程控制阀 第2-3部分：流通能力 试验程序
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2005-09-09

Industrial-process control valves - Part 9: Test procedure for response measurements from step inputs (IEC 60534-9:2007); German version EN 60534-9:2007
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2008-06-01

Draft Document - Industrial process control valves - Part 9: Test procedure for response measurements from step inputs (IEC 65B/585/CDV:2006); German version prEN 60534-9:2006
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2006-07-01

Industrial-process control valves - Part 2-3: Flow capacity - Test procedures (IEC 60534-2-3:2015); German version EN 60534-2-3:2016
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2017-01-01