| http://www.w3.org/ns/prov#value | - ins which are solid at normal temperatures can be used as the thermosetting resin in the present invention, and urethane- or epoxy-modified polyesters resins synthesized according to the above-mentionedmethod for production of polyester resins can be used.As the cross-linking agent to be used for a thermosetting resin such as mentioned above in the present invention, there can be mentioned, for ex
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