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A method for upgrading of the calorific value and for increasing the amount of the gas, which in the low-temperature carbonization by the direct action of hot combustion gases is obtained the polyurethaneurea material to be carbonized
A method for upgrading of the calorific value and for increasing the amount of the gas, which in the low-temperature carbonization by the direct action of hot combustion gases is obtained the polyurethaneurea material to be carbonized