Aerospace series - Screws, pan head, offset cruciform recess, close tolerance shank, short thread, in alloy steel, cadmium plated - Classification: 900 MPa/235 °C; German version EN 2886:1996— 9 стр.
Information processing; data interchange on 90 mm (3,5 in) flexible disk cartridges using modified frequency modulation recording at 7958 ftprad, on 80 tracks on each side; part 1: dimensional, physical and magnetic characteristics (ISO 8860-1:1987); german version EN 28860-1:1989— 19 стр.