BS EN 2484:1989現行
Specification for microfilming of drawings. Aperture card for 35 mm microfilm
出版：British Standards Institution
專家解讀視頻
Column allocation and data entry of the control and identification characteristics using card code A.
? British Standards Institution 2013
DIN EN 2484 (1989-10) - Identical
ONORM 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
