 |
| |||
| imperial standard | |||
| British Standard; BS (British Standard); Br. Std. (British Standard) | |||
| |||
| BS-British Standard | |||
| стандарт Великобритании: 23 do fraz, 14 tematyki |
|
| |||
| imperial standard | |||
| British Standard; BS (British Standard); Br. Std. (British Standard) | |||
| |||
| BS-British Standard | |||
| стандарт Великобритании: 23 do fraz, 14 tematyki |