JAKARTA, Feb 19 (Reuters) – Indonesia issued the local unit of copper miner Freeport McMoRan Inc with a quota to export 1,247,866 wet metric tonnes (wmt) of copper concentrate up to Feb 15, 2019, a mining ministry official said on Monday.  Medco Energi Internasional unit Amman Mineral Nusa Tenggara was also issued with a quota to export 450,826 wmt of copper concentrate over same period, Minerals Director Bambang Susigit told Reuters by text message.