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mm Madsen antiaircraft gun . en mm Madsen autocannon on universal antiaircraft carriage Photographed in Hanko Front Museum fi mm Madsen automaattitykki sek ilma ett panssarintorjuntaan suunnitellulla yleislavetilla Kuvattu Hangon rintamamuseossa own MKFI mm Madsen The Front Museum Hanko Lappohja Taken with Canon PowerShot SX