| http://www.w3.org/ns/prov#value | - For instance, a resin film or sheet made from such a material as PET (polyethylene telephtalate), or polyimide may be employed. [0044] Because of this feature, luster like that on a mirror surface can be given to a surface of a sheet to be embossed opposite to the embossed surface thereof. [0045] (Holding Pressure) [0046] In the present invention, at least one of the two rolls forming a pair shoul
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