This standard specifies the aperture card for 35 mm microfilm and the column allocation and data entry of the control and identification characteristics for aerospace using card code A. By combining a slave card with an aperture card containing a microimage on 35 mm film, the information content is increased, handling of the aperture card is reduced, and it is possible to be use the slave card for data processing.#,,#
DIN EN 2484:1989 history
1989DIN EN 2484:1989-10 Aerospace series; microfilming of drawings; aperture card for 35 mm microfilm; german version EN 2484:1988
1989DIN EN 2484:1989 Aerospace series; microfilming of drawings; aperture card for 35 mm microfilm; german version EN 2484:1988