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DIN EN 12942
Respiratory protective devices - Power assisted filtering devices incorporating full face masks, half masks or quarter masks - Requirements, testing, marking; German version EN 12942:1998+A1:2002+A2:2008
Edition
2009-02
DIN EN 12255-3
Wastewater treatment plants - Part 3: Preliminary treatment; German and English version prEN 12255-3:2021
Edition
2022-01
DIN EN 12942
Respiratory protective devices - Power filtering devices incorporating full face masks, half masks or quarter masks - Requirements, testing, marking; German and English version prEN 12942:2016
Edition
2017-02
DIN EN ISO 13137
Workplace atmospheres - Pumps for personal sampling of chemical and biological agents - Requirements and test methods (ISO 13137:2022); German version EN ISO 13137:2022
Edition
2023-01
DIN EN ISO 21068-2
Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, free and surface silica (ISO/DIS 21068-2:2023); German and English version prEN ISO 21068-2:2023
Edition
2023-07
DIN EN ISO 18119
Gas cylinders - Seamless steel and seamless aluminium-alloy gas cylinders and tubes - Periodic inspection and testing (ISO 18119:2018 + Amd.1:2021); German version EN ISO 18119:2018 + A1:2021
Edition
2021-09
DIN EN 14972-1
Fixed firefighting systems - Water mist systems - Part 1: Design, installation, inspection and maintenance; German version EN 14972-1:2020
Edition
2021-06
DIN EN ISO 7278-2
Petroleum measurement systems - Part 2: Pipe prover design, calibration and operation (ISO 7278-2:2022); German version EN ISO 7278-2:2022
Edition
2023-03
DIN EN ISO 3170 rev
Petroleum liquids - Manual Sampling (ISO/DIS 3170:2024); German and English version prEN ISO 3170:2024
Edition
2024-03
VDI 3867 Blatt 4
Measurement of particles in ambient air - Determination of the particle number concentration and particle size distribution of aerosols - Optical aerosol spectrometer
Edition
2011-06