| http://www.w3.org/ns/prov#value | - The Brown U.S. Pat. Nos. 4,729,160 and 4,930,201 disclose a permanent magnet rotor having an array of permanent magnets adhesively bonded to a hub and a sleeve surrounding the magnets and the intervening filler pieces which is made of a composite material consisting of high strength, high modulus fibers such as fiberglass, graphite, boron or the like in an epoxy or other plastic matrix.
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