| http://www.w3.org/ns/prov#value | - FIGS. 21A, 21B and 21C are drawings showing a final step of the steps according to the embodiment in which FIG. 21A is a plane view thereof, FIG. 21B is a sectional view of a side face taken along a line A???A in FIG. 21A and FIG. 21C is a plane view of a rear face thereof.
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