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Additive manufacturing of metals - Qualification principles - Installation, operation and performance (IQ/OQ/PQ) of PBF-EB equipment (ISO/ASTM/DTS 52949:2024)

Refractory test-piece preparation - Gunning refractory panels by the pneumatic-nozzle mixing type guns (ISO/FDIS 20182:2024); German version FprEN ISO 20182:2024

Refrigerating systems and heat pumps - Safety and environmental requirements - Part 2: Design, construction, testing, marking and documentation

Refrigerating systems and heat pumps - Safety and environmental requirements - Part 1: Basic requirements, definitions, classification and selection criteria

Refrigerating systems and heat pumps - Safety and environmental requirements - Part 1: Basic requirements, definitions, classification and selection criteria

Refrigerating systems and heat pumps - Safety and environmental requirements - Part 2: Design, construction, testing, marking and documentation

Refrigerating systems and heat pumps - Safety and environmental requirements - Part 3: Installation site and personal protection

Refrigerating systems and heat pumps - Safety and environmental requirements - Part 3: Installation site and personal protection

Gas infrastructure - Gas pressure control stations for transmission and distribution - Functional requirements

Gas infrastructure - Gas pressure regulating stations for transmission and distribution - Functional requirements

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