| http://www.w3.org/ns/prov#value | - FIG. 13A and FIG. 13B are diagrams showing a magnet member in FIG. 3, and of these diagrams, FIG. 13A is an enlarged rear view of the main section of the magnet member in FIG. 3 where the setting lever and the magnet pressing section have been removed, and FIG. 13B is an enlarged cross-sectional view of the main section taken along line F-F in FIG. 13A;
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