| http://www.w3.org/ns/prov#value | - On the other hand, a fixing roller according to the present invention is, in the fixing roller having the structure shown in FIG. 3, the same as the conventional fixing roller in that the hollow, cylindrical core metal 22 is formed of metallic material such as aluminum, copper, and iron having good thermal conductive characteristics, but the release layer 23 for covering the surface of the core me
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