Determination of roughnesse parameters R<(Index)a>, R<(Index)z>, R<(Index)max> by means of electrical stylus instruments; conversation of parameter R<(Index)a> to R<(Index)z> and vice versa— 2 стр.
Information technology; unrecorded 12,7 mm (0,5 in) wide magnetic tape for information interchange; 32 ftpmm (800 ftpi) NRZ1, 126 ftpmm (3200 ftpi) phase encoded and 356 ftpmm (9042 ftpi) NRZ1 (ISO/IEC 1864:1992); german version EN 21864:1991— 11 стр.
Information technology; unrecorded 12,7 mm (0,5 in) wide magnetic tape for information interchange; 32 ftpmm (800 ftpi) NRZ1, 126 ftpmm (3200 ftpi) phase encoded and 356 ftpmm (9042 ftpi) NRZ1 (ISO/IEC 1864:1992); german version EN 21864:1991— 11 стр.