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Technical rule [CURRENT]

VDI 4202 Blatt 3

Automated measuring systems for air quality monitoring - Performance test, declaration of suitability and certification of measuring systems for point-related measurement of mass concentration for particulate air pollutants
Edition 2019-02

Technical rule [CURRENT]

VDI 2081 Blatt 1

Air-conditioning - Noise generation and noise reduction
Edition 2022-04

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