| http://www.w3.org/ns/prov#value | - The manner of securing the permanent magnet 2 to the rotary shaft 10 shown in and described with reference to FIGS. 10A and 10B can be equally utilized to the case where the magnetic generating element 2 is made up of the two permanent magnets 2A and 2B such as shown in and described with reference to FIG. 8.
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