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| Office and manufacturing base: | Sofia, kv. Vrajdebna, 51 St ("Botevgradsko shose" Blvd, behind "UNG", OMV petrol station) phone 02 / 945-62-35 |
| Director: eng. T. Banchev | 0888 / 375-646 |
| Postal address: | Sofia, 1504, 30 Hristo Kovachev St |