ECMA 69:1981废止
Data Interchange On 200 Mm Flexible Disk Cartridges Using Mfm Recording At 13262 Ftprad On Both Sides
出版：European Computer Manufacturers Association
专家解读视频
81 [01/01/1981]
DIN 66243-2 (1985-11) - Identical
DIN 66237-1 (1985-01) - Identical
DIN 66237-2 (1985-01) - Identical
DIN 66237-2 : 1985 - Identical
DIN 66237-1 : 1985 - Identical
DIN 66243-2 : 1985 - Identical
ISO 7065-1 : 1985(R2007) - Corresponds
DIN 66237-1 : 1985 - Corresponds
DIN 66243-2 : 1985 - Corresponds
DIN 66237-2 : 1985 - Corresponds
ISO 7065-1 : 1985(R2007) - Corresponds
