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Determination of oxygen after fusion in a current of inert gas

Welding consumables - Rods, wires and deposits for tungsten inert gas welding of non-alloy and fine-grain steels - Classification (ISO 636:2024); German version EN ISO 636:2024

Fixed firefighting systems - Components for gas extinguishing systems - Part 13: Characteristics for check valves and non-return valves; German and English version prEN 12094-13:2022

Fixed firefighting systems - Components for gas extinguishing systems - Part 13: Characteristics for check valves and non-return valves

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

Fixed firefighting systems - Components for gas extinguishing systems - Part 8: Characteristics for connectors

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