Slide projectors and slides; overhead projectors, DIN-test transparency for the examination of sharpness for projection and viewing conditions, size A5— 4 стр.
Projection of still pictures and motion-pictures; minimum dimensions for elements, width of lines, dimensions of lettering and graphical symbols in originals for projection— 20 стр.
Projection of still pictures and motion-pictures - Part 4: Reflection and transmittance characteristics of screens; characteristic values, screen types, measurement— 15 стр.
Tests for reprographic use; fundamental assembly of typographical characters for legibility tests and test chart for destination of resolving power— 5 стр.
Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulphur (S) by the instrumental method (ISO 21663:2020); German version EN ISO 21663:2020— 22 стр.
Slide projectors and slides -Slides with scientific and technical content - Original drawings and slides, production, testing, projection conditions— 9 стр.
Slide projectors and slides; overhead projectors, DIN-test transparency for the examination of sharpness for projection and viewing conditions, size A5— 4 стр.
