Graphical symbols; general principles for the creation of graphical symbols; graphical symbols for use in technical product documentation; identical with ISO 3461-2, edition 1987— 6 стр.
Templates for lettering symbols; slot widths for technical pens with tubular tips in accordance with ISO 9175-1; identical with ISO 9178-3:1989— 4 стр.
Templates for lettering symbols; slot widths for technical pens with tubular tips in accordance with ISO 9175-1; identical with ISO 9178-3:1989— 4 стр.