| http://www.w3.org/ns/prov#value | - FIGS. 1A to 1G are conceptual views illustrating each process in the process for producing of the invention, and FIG. 2 is a perspective view illustrating the state (a process shown in FIG. 1D) that a cladding substrate which is one size larger than the rubber mold is brought into close contact with a rubber mold.
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