DIN EN 2591-311:1997-12 Aerospace series - Elements of electrical and optical connection; test methods - Part 311: Low air pressure; German version EN 2591-311:1997
1997DIN EN 2591-311:1997-12 Aerospace series - Elements of electrical and optical connection; test methods - Part 311: Low air pressure; German version EN 2591-311:1997
1997DIN EN 2591-311:1997 Aerospace series - Elements of electrical and optical connection; test methods - Part 311: Low air pressure; German version EN 2591-311:1997