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Keywords from Image Description:
Aimo Suomalan kevythelikopteri Karhulan ilmailukerhon lentomuseo . en Main rotor hub of homebuilt light helicopter made by Aimo Suomala in early Unregistered Photographed in Karhulan ilmailukerho aviation museum fi Aimo Suomalan luvun alussa itse rakentaman kevythelikopterin proottorin keski kuvattuna Karhulan ilmailukerhon lentomuseossa