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Standards VDI - German standards - Page 391
The Association of German Engineers (VDI) with almost 150,000 members, of whom more than a third are students and engineers younger than 33 years of age, is one of the biggest technical- scientific associations in Europe. VDI has extended its activities successfully both nationally and internationally over the years and it has been making great efforts to spread knowledge in the areas related to technologies. As a financially independent, politically unclassified and non-profit organization, it is respected by engineers as well as by professionals and the general public.
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VDI 3490Blatt16
WITHDRAWN
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Measurement of gases - Calibration gas mixtures - Dynamic preparation with critical orifice systems.
(Messen von Gasen - Prüfgase - Herstellen von Prüfgasen mit Blenden-Mischstrecken.)
WITHDRAWN published on 1.10.1994
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VDI 3490Blatt17
WITHDRAWN
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Measurement of gases - Calibration gas mixtures - Dynamic preparation with thermal mass flow controllers.
(Messen von Gasen - Prüfgase - Herstellung von Prüfgasen unter Verwendung von thermischen Massenstromreglern.)
WITHDRAWN published on 1.8.1998
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VDI 3490Blatt2
WITHDRAWN
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Measurement of gases; calibration gas mixtures; preparation methods; general.
(Messen von Gasen; Prüfgase; Herstellungsverfahren; Übersicht.)
WITHDRAWN published on 1.12.1980
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VDI 3490Blatt3
WITHDRAWN
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Measurement of gases; specifications for transfer of calibration gas mixtures.
(Messen von Gasen; Prüfgase; Anforderungen und Maßnahmen für den Transfer.)
WITHDRAWN published on 1.12.1980
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VDI 3490Blatt4
WITHDRAWN
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Measurement of gases; preparation of calibration gas mixtures by gravimetric methods.
(Messen von Gasen; Prüfgase; Herstellung mit gravimetrischen Methoden.)
WITHDRAWN published on 1.12.1980
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VDI 3490Blatt5
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Measurement of gases; determination of the composition of calibration gas mixtures by comparison methods.
(Messen von Gasen; Prüfgase; Ermittlung der Zusammensetzung durch Vergleichsmethoden.)
WITHDRAWN published on 1.12.1980
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VDI 3490Blatt6
WITHDRAWN
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Measurement of gases; calibration gas mixtures; dynamic; preparation by gas-mixing pumps.
(Messen von Gasen; Prüfgase; Dynamische Herstellung mit Gasmischpumpen.)
WITHDRAWN published on 1.12.1988
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VDI 3490Blatt7
WITHDRAWN
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Measurement of gases; calibration gas mixtures; dynamic method of preparation by periodic injection.
(Messen von Gasen; Prüfgase; Dynamische Herstellung durch periodische Injektion.)
WITHDRAWN published on 1.12.1980
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VDI 3490Blatt8
WITHDRAWN
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Measurement of gases; calibration gas mixtures; preparation by continuous injection method.
(Messen von Gasen; Prüfgase; Herstellung durch kontinuierliche Injektion.)
WITHDRAWN published on 1.1.1981
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VDI 3490Blatt9
WITHDRAWN
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Measurement of gases; preparation of calibration gas mixtures by permeation procedures.
(Messen von Gasen; Prüfgase; Herstellung durch Permeation der Beimengung in einen Grundgasstrom.)
WITHDRAWN published on 1.12.1980
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