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Keywords from Image Description:
GBT mine sweeper Lennusadam. en Probably German GBT acoustic mine sweeper in Lennusadam seaplane hangar at the Estonian maritime museum fi Luultavasti Saksalainen GBT akustinen miinanraivain Viron merimuseossa Lennusadaman vesilentokonehallissa own MKFI Collections of the Estonian Maritime Museum Seaplane Hangars Acoustic minesweeping