NA 149
DIN Standards Committee Entertainment Technology, Photography and Cinematography
Technical rule
[Withdrawn]
DIN 19059-2 Beiblatt 1
DIN 19059-2 Beiblatt 1
Microfilms; graphical symbols for microfilming, originals for use in practice
Title (German)
Mikrofilme; Bildzeichen für die Mikroverfilmung