DIN EN 3745-302:2003-05 Aerospace series - Fibres and cables, optical, aircraft use; Test methods - Part 302: Numerical aperture; German and English version EN 3745-302:2002
2003DIN EN 3745-302:2003-05 Aerospace series - Fibres and cables, optical, aircraft use; Test methods - Part 302: Numerical aperture; German and English version EN 3745-302:2002
2003DIN EN 3745-302:2003 Aerospace series - Fibres and cables, optical, aircraft use; Test methods - Part 302: Numerical aperture; German and English version EN 3745-302:2002