Oliver Gerhard Hlavinka, MSc (Die SichtBar Brillen | Kontaktlinsen | Hörgeräte) in Wien, Austria. Trade: hearing aid acoustician: hearing tests, hearing aids and fitting. Listed in the WKO company register.
Oliver Gerhard Hlavinka, MSc (Die SichtBar Brillen | Kontaktlinsen | Hörgeräte) in Wien, Austria. Trade: hearing aid acoustician: hearing tests, hearing aids and fitting. Listed in the WKO company register.