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.
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.
Technical product documentation - Lettering - Part 4: Diacritical and particular marks for the Latin alphabet (ISO 3098-4:2000); German version EN ISO 3098-4:2000— 10 стр.