| http://www.w3.org/ns/prov#value | - On the other hand, when a pulse heater requiring a large electric current is employed in the means for thermal pressing such as a thermal pressing head and the like, a sticking due to melting between a slip ring and a brush is likely to occur and so the magnitude of the electric current to be fed to the means for thermal pressing is restricted, thereby making it difficult to feed the required larg
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