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Standards [CURRENT]

DIN ISO 12844

Raw optical glass - Grindability with diamond pellets - Test method and classification (ISO 12844:1999)
Edition 2006-11

Standards [CURRENT]

DIN 13-1

ISO general purpose metric screw threads - Part 1: Nominal sizes for coarse pitch threads; nominal diameter from 1 mm to 68 mm
Edition 1999-11

Technical rule [CURRENT]

VDI 4252 Blatt 2

Measurement of airborne microorganisms and viruses in ambient air - Active sampling of bioaerosols - Separation of airborne mould on gelatine/polycarbonate filters
Edition 2004-06

Technical rule [CURRENT]

VDI 2066 Blatt 10

Particulate matter measurement - Dust measurement in flowing gases - Measurement of PM₁₀ and PM2,5 emissions at stationary sources by impaction method
Edition 2004-10

Technical rule [CURRENT]

VDI 3957 Blatt 14

Biological measuring techniques for the determination and evaluation of effects of air pollutants on plants (bioindication) - Phytotoxic effect of inorganic fluorides in ambient air - Method of standardised gladiolus exposure
Edition 2005-11

Technical rule [CURRENT]

VDI 3678 Blatt 2

Electrostatic precipitators - Process air and indoor air cleaning
Edition 2010-12

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