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Keywords from Image Description:
Koulukoneradio VYKKA. en Finnish aircraft radio VYKKA prototype from by Valtion Shkpaja used in Pyry trainer aircraft Only piece test series manufactured Photographed in the Finnish Air Force signals museum fi Suomalainen Valtion shkpajan koulukoneradio VYKKA vuodelta Prototyyppi vain kymmenen kappaleen kokeilusarja valmistettu