DIN EN 2155-12:1997-09 Aerospace series - Test methods for transparent materials for aircraft glazing - Part 12: Determination of linear thermal expansion; German version EN 2155-12:1997
1997DIN EN 2155-12:1997-09 Aerospace series - Test methods for transparent materials for aircraft glazing - Part 12: Determination of linear thermal expansion; German version EN 2155-12:1997
1997DIN EN 2155-12:1997 Aerospace series - Test methods for transparent materials for aircraft glazing - Part 12: Determination of linear thermal expansion; German version EN 2155-12:1997