DIN EN 4504:2013 Aerospace series - Non-metallic materials, Textiles - Test method - Determination of flexibility of narrow fabrics; German and English version EN 4504:2013
2013DIN EN 4504:2013-12 Aerospace series - Non-metallic materials, Textiles - Test method - Determination of flexibility of narrow fabrics; German and English version EN 4504:2013
2013DIN EN 4504:2013 Aerospace series - Non-metallic materials, Textiles - Test method - Determination of flexibility of narrow fabrics; German and English version EN 4504:2013