Tartu Telefonivabrik2025-02-122025-02-121931ARH PT-4229https://hdl.handle.net/10062/107051etAttribution-NonCommercial-NoDerivs 3.0 Estoniahttps://creativecommons.org/licenses/by-nc-nd/3.0/ee/tootekataloogidTartu TelefonivabriktelefonitehnikaTartuEesti (riik)Other