Microfilming of technical drawings and other drawing office documents — Part 3: Aperture card for 35 mm microfilm

This part of ISO 3272 specifies the technical characteristics of tab size aperture cards, data processing type, in

which the aperture does or does not contain raw microfilm. It covers tape-type and jacket-type aperture cards,

including camera cards.

This part of ISO 3272 does not apply to A6 aperture cards.