ONORM EN 2484:1989现行
Aerospace Series; Microfilming Of Drawings; Aperture Card For 35 Mm Microfilm
出版：Osterreichisches Normungsinstitut
专家解读视频
Describes the aperture card for 35mm microfilm and the column allocation and data entry of the control and identification characteristics for aerospace using card code A.
DIN EN 2484 (1989-10) - Identical
BS EN 2484:1989 - Identical
NBN EN 2484:1993 - Identical
I.S. EN 2484:1990 - Identical
NF EN 2484:1989 - Identical
UNI EN 2484:1989 - Identical
NS EN 2484 Ed. 1 (1989) - Identical
SS EN 2484 Ed. 1 (1989) - Identical
NEN EN 2484:1989 - Identical
UNE EN 2484:1992 - Identical
