- ER-TE BG Ltd.
- Doorphone systems, ER-TE, ERTE, Intercom systems, Doorphones, Intercoms, Video-intercoms, Diaphones, Door panels, Door panel, security, bulgaria, bg, burgas.
- Address:Tzar Simeon 58, Burgas, Burgas, Bulgaria
- Betamark LTD
- doorphones, audio doorphones, video doorphones, digital doorphone systems, nurse call systems smart call systems, digital intercom systems,Digital Door Phone Systems,Digital Door Phone Systems,Digital Door Phone Systems.
- Address:Perla, Varna, Varna, Bulgaria
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