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Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-4: Examinations and measurements - Attenuation (IEC 61300-3-4:2023 + COR1:2023); German version EN IEC 61300-3-4:2023 + AC:2023

Composite hollow insulators - Pressurized and unpressurized insulators for use in electrical equipment with AC rated voltage greater than 1 000 V AC and D.C. voltage greater than 1500 V - Definitions, test methods, acceptance criteria and design recommendations (IEC 61462:2023); German version EN IEC 61462:2023

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prEN 1303

Building hardware - Cylinders and Master-Key-Systems (MKS) for locks - Requirements and test methods

Indoor air - Part 41: Assessment and classification (ISO 16000-41:2023)

Gas infrastructure - Gas measuring systems - Functional requirements

Gas infrastructure - Gas measuring systems - Functional requirements

Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 2: Pipes; German and English version prEN 1555-2:2024

Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 3: Fittings; German and English version prEN 1555-3:2024

Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 4: Valves; German and English version prEN 1555-4:2024

Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 2: Pipes

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