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Technical rule [CURRENT]

VDI 3781 Blatt 4

Environmental meteorology - Discharge conditions for exhaust gases - Small and medium combustion systems and other installations
Edition 2017-07

Technical rule [CURRENT]

VDI 3782 Blatt 7

Environmental meteorology - Determination of the emission from motor vehicles - Air quality
Edition 2020-05

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VDI 3781 Blatt 4

VDI 3782 Blatt 7