July 25 (Reuters) - Trimetals Mining Inc TMI.TO
* Trimetals Mining Inc's subsidiary, South American Silver, announces conclusion of oral hearing in its arbitration against Bolivia
* South American Silver presented evidence to support its claim in which it seeks compensation for damages in amount of $385.7 million Source text for Eikon: ID:nMKWq4Jkna Further company coverage: TMI.TO
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