| http://www.w3.org/ns/prov#value | - When the method of the invention employs a means for channeling the hot drawing gases and/or the material ejected from the orifices of the centrifuge under the effect of the centrifugal force, this means is advantageously a ring blowing the gas which is at most at ambient temperature and under a supply gas pressure of between 0.5 and 2.5.105 Pa, especially 0.7 to 2.10???5 Pa.
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