I.S. EN 2484:1990现行
Aerospace Series - Microfilming of Drawings - Aperture Card for 35 mm Microfilm
出版：National Standards Authority of Ireland
专家解读视频
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 as defined in the matter.
NS EN 2484 Ed. 1 (1989) - Identical
SS EN 2484 Ed. 1 (1989) - Identical
NEN EN 2484:1989 - Identical
DIN EN 2484 (1989-10) - Identical
ONORM EN 2484:1989 - Identical
BS EN 2484:1989 - Identical
NBN EN 2484:1993 - Identical
NF EN 2484:1989 - Identical
UNI EN 2484:1989 - Identical
UNE EN 2484:1992 - Identical
