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PROBLEM TO BE SOLVED : To provide an oxide superconducting bulk magnet member formed by combining oxide bulk bodies each having an Re2BaCuO5 phase dispersed in an REBa2Cu3O7-x phase, the oxide superconducting bulk magnet member being easy to manufacture and capable of stably obtaining a magnetic field which is intense and symmetrically uniform even when repeatedly magnetized by a pulse magnetizing method or used for a magnet of a rotary machine such as a superconducting electric generator, a superconducting motor, etc. SOLUTION : The oxide superconducting bulk magnet member is formed by combining the oxide bulk bodies each having the Re2BaCuO5 phase dispersed in the REBa2Cu3O7-x phase (where Re is rare earth elements or a combination thereof, x is an oxygen deficiency amount, and 0
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