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διατρητες καρτες
οπτικης αναγνωσης
| H/Y διάτρητων καρτών | |
| IT dat.proc. | punched card machine |
| |||
| punch cards; punched cards | |||
| |||
| punched card machine | |||
| διάτρητες κάρτες: 10 phrases in 3 subjects |
| Information technology | 2 |
| Technology | 2 |
| Work flow | 6 |