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ISO 45:1990PublishedAircraft — Pressure refuelling connectionsInternational Standard · Published 6 Dec 1990 · ISO/TC 20/SC 9 ISO/DIS 25009Under developmentUnmanned aircraft systems — General requirements and test methods for the hydrogen fuel gas pipes of gaseous hydrogen fuel cell powered UASInternational Standard · ISO/TC 20/SC 16 ISO/DIS 25013Under developmentUnmanned aircraft systems — General requirements and test methods for the attachable hydrogen cylinders of gaseous hydrogen fuel cell powered UASInternational Standard · ISO/TC 20/SC 16 ISO 45:1980WithdrawnAircraft — Pressure refuelling connectionsInternational Standard · Published 1 May 1980 · ISO/TC 20/SC 10 ISO 482:1977WithdrawnAircraft — Propulsion units and components — Methods of numbering and describing direction of rotationInternational Standard · Published 1 Feb 1977 · ISO/TC 20 ISO 4153:1981WithdrawnAircraft — Pressure fuel dispensing system — Test procedure and limit value for shut-off surge pressureInternational Standard · Published 1 Nov 1981 · ISO/TC 20