The document specifies basic rules to be observed when executing, e.g. with regard to drawing sheets, lines and lettering, as well as handling of technical drawings which are to be microcopied.#,,#
DIN ISO 6428:1997 history
1997DIN ISO 6428:1997-03 Technical drawings - Requirements for microcopying (ISO 6428:1982)
1997DIN ISO 6428:1997 Technical drawings - Requirements for microcopying (ISO 6428:1982)