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| |||
| start sentinel | |||
| beginning mark; beginning-of-information marker; BIM | |||
| check mark | |||
| beginning-of-information marker (auf einem Magnetband) | |||
| beginning mark (Magnetband) | |||
| block mark; beginning marker; initial marker; initial mark; block marker | |||
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Anfangsmarke : 4 do fraz, 1 tematyki |
| Technologia informacyjna | 4 |