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APPARATUS FOR CONTINUOUS POWER FEEDING CLOSE GRAINED, LIGHT MATERIALS (TECHNICAL DENSITY LOWER THAN 2,7 KILOGRAM PER CUBIC METER/ BETWEEN TWO SEPARATED SPACES
APPARATUS FOR CONTINUOUS POWER FEEDING CLOSE GRAINED, LIGHT MATERIALS (TECHNICAL DENSITY LOWER THAN 2,7 KILOGRAM PER CUBIC METER/ BETWEEN TWO SEPARATED SPACES