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International
International Civil Aviation Organization (ICAO)
International Electrotechnical Commission (IEC)
Technical Committee 31 - Equipment for Explosive Atmospheres
Technical Committee 105 - Fuel Cell Technologies
International Organization of Legal Metrology (IOLM)
International Organization for Standards (ISO)
Technical Committee 22 - Road Vehicles / SC 21 Electric Vehicles
Technical Committee 197 - Hydrogen Technologies
United Nations
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