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All the forts of the outer ring had a shelter for mobile 57 mm guns. This seems a bit strange if you realize that maximum armament of the forts consisted of 34 guns ranging from 57 to 150 mm.
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All the forts of the outer ring had a shelter for mobile 57 mm guns. This seems a bit strange if you realize that maximum armament of the forts consisted of 34 guns ranging from 57 to 150 mm.
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