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Maritime navigation and radiocommunication equipment and systems - Global navigation satellite systems (GNSS) - Part 6: Indian Regional Navigation Satellite System (IRNSS) - Receiver equipment - Performance requirements, methods of testing and required test results (IEC 80/1004/CD:2021); Text in German and English

Electromagnetic compatibility (EMC) - Part 4-20: Testing and measurement techniques - Emission and immunity testing in transverse electromagnetic (TEM) waveguides (IEC 77B/853/FDIS:2021); German and English version FprEN IEC 61000-4-20:2021

Optical fibres - Part 2-60: Product specifications - Sectional specification for category C single-mode intraconnection fibres

Global maritime distress and safety system (GMDSS) - Part 4: Inmarsat-C ship earth station and Inmarsat enhanced group call (EGC) equipment - Operational and performance requirements, methods of testing and required test results (IEC 80/1077/CDV:2023); Text in German and English

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 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

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