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Keywords from Image Description:
M cannon KeskiSuomen ilmailumuseo. en mm Colt aircraft cannon used in Airacobra fighters photographed in Aviation Museum of Central Finland An unidentified equipment on the background fi Airacobrahvittjiss kytetty mm Colt lentokonetykki kuvattuna KeskiSuomen ilmailumuseossa Taustalla tunnistamaton laite own MKFI Airacobra museum