I.S. EN 2484:1990現行
Aerospace Series - Microfilming of Drawings - Aperture Card for 35 mm Microfilm
出版：National Standards Authority of Ireland
專家解讀視頻
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.
DIN EN 2484 (1989-10) - Identical
NEN EN 2484:1989 - Identical
SS EN 2484 Ed. 1 (1989) - Identical
NS EN 2484 Ed. 1 (1989) - 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
