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VDI 4252Blatt3

Measurement of airborne microorganisms and viruses in ambient air - Active sampling of bioaerosols - Separation of airborne bacteria with impingers using the principle of critical nozzle.
(Erfassen luftgetragener Mikroorganismen und Viren in der Außenluft - Aktive Probenahme von Bioaerosolen - Abscheidung von luftgetragenen Bakterien mit Impingern nach dem Prinzip der kritischen Düse.)

Standard published on 1.8.2008

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130.40 USD


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VDI 4252Blatt4

Bioaerosols and biological agents - Determination of pollen and spores in ambient air by a volumetric method for a measurement network for allergolocical purposes.
(Bioaerosole und biologische Agenzien - Ermittlung von Pollen und Sporen in der Außenluft unter Verwendung einer volumetrischen Methode für ein Messnetz zu allergologischen Zwecken.)

Standard published on 1.3.2019

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232.80 USD


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DIN 42534:1954-12

Transformers; bushings for indoor and outdoor, series voltage 45 kV to 1000 A.
(Transformatoren; Durchführungen für Innenraum und Freiluft, Reihenspannung 45 kV bis 1000 A.)

Standard published on 1.12.1954

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28.20 USD


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DIN 42537-1:1983-05

Transformers; outdoor bushings Um 36 kV, for 12,5 to 25 kA; arrangement.
(Transformatoren; Durchführungen für Freiluft Um 36 kV, für 12,5 bis 25 kA; Zusammenstellung.)

Standard published on 1.5.1983

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39.60 USD


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DIN 42537-2:1983-05

Transformers; outdoor bushings Um 36 kV, for 12,5 to 25 kA; components.
(Transformatoren; Durchführungen für Freiluft Um 36 kV, für 12,5 bis 25 kA; Einzelteile.)

Standard published on 1.5.1983

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48.30 USD


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DIN 42537-3:1983-05

Transformers; outdoor bushings Um 36 kV, for 12,5 to 25 kA; fixing.
(Transformatoren; Durchführungen für Freiluft Um 36 kV, für 12,5 bis 25 kA; Befestigung.)

Standard published on 1.5.1983

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39.60 USD


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DIN 42539-1:1968-08

Transformers; Bushings for Indoor and Outdoor Types; Insulation Class 3 N for 250 A to 3150 A, Assembly.
(Transformatoren; Durchführungen für Innenraum und Freiluft, Reihe 3 N, für 250 A bis 3150 A, Zusammenstellung.)

Standard published on 1.8.1968

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35.10 USD


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DIN 42539-2:1968-08

Transformers; Bushings for Indoor and Outdoor Types; Insulation Class 3 N for 250 A to 3150 A, Single Parts.
(Transformatoren; Durchführungen für Innenraum und Freiluft, Reihe 3 N, für 250 A bis 3150 A, Einzelteile.)

Standard published on 1.8.1968

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35.10 USD


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VDI 4253Blatt2

Measurement of airborne microorganisms and viruses in ambient air - Culture based method for the determination of the concentration of mould in air - Indirect method after sampling with gelatine/polycarbonate filters.
(Erfassen luftgetragener Mikroorganismen und Viren in der Außenluft - Verfahren zum kulturellen Nachweis der Schimmelpilz-Konzentrationen in der Luft - Indirektes Verfahren nach Probenahme auf Gelatine/Polycarbonat-Filtern.)

Standard published on 1.6.2004

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140.40 USD


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VDI 4253Blatt3

Measurement of airborne microorganisms and viruses in ambient air - Culture based method for the quantitative determination of bacteria in air - Method after separation in liquids.
(Erfassen luftgetragener Mikroorganismen und Viren in der Außenluft - Verfahren zum quantitativen kulturellen Nachweis von Bakterien in der Luft - Verfahren nach Abscheidung in Flüssigkeiten.)

Standard published on 1.5.2019

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196.30 USD


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Entries shown from 26280 to 26290 out of a total of 204496 entries.


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