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Plastics - Methods of exposure to solar radiation - Part 2: Direct weathering and exposure behind window glass (ISO/FDIS 877-2:2025); German version FprEN ISO 877-2:2025

Plastics - Determination of changes in colour and variations in properties after exposure to glass-filtered solar radiation, natural weathering or laboratory radiation sources (ISO/DIS 4582:2024); Text in German and English

Plastics - Methods of exposure to solar radiation - Part 2: Direct weathering and exposure behind window glass (ISO/FDIS 877-2:2025)

Plastics - Determination of changes in colour and variations in properties after exposure to glass-filtered solar radiation, natural weathering or laboratory radiation sources

Test standard for determining the collection efficiency of dust collectors downstream of ERFs

Gas welding equipment - Manual gas equipment for welding, heating and cutting - Periodic Inspection; German and English version prEN 17931:2023

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prEN 17931

Gas welding equipment - Manual gas equipment for welding, heating and cutting - Periodic Inspection

Fixed firefighting systems - Components for gas extinguishing systems - Part 8: Requirements and test methods for connectors; German version FprEN 12094-8:2023

Electricity metering equipment - Particular requirements - Part 26: Static revenue grade sub-meters for AC active energy (classes 0,5, 1, 2) and fundamental component reactive energy (classes 0,5S, 1S, 1, 2 and 3)

Covering - Determination of fire protection ability

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