| http://www.w3.org/ns/prov#value | - As a result, there was a drawback that it led to increase of circuit size.The present invention has been made to avoid drawbacks of the conventional apparatus.Further objects and advantages of the invention will be apparent from the following description of the invention.SUMMARY OF THE INVENTIONThe magnetic bearing device according to the invention of the first aspect comprises: an electromagnet f
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