RETRANSMISSION: Ucore Teams with Materion on American Heavy REE Production Bid HALIFAX, Nova Scotia, Dec. 24, 2019 (GLOBE NEWSWIRE) -- Ucore  Rare  Metals  Inc.  (TSXV:  UCU) (OTCQX: UURAF) (“Ucore” or the “Company”) is pleased to announce that it has partnered with Materion...