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(Investor Daily hal 14) Indo Bara Perbarui Kontrak Ekspor Batubara Perusaan tambang batubara PT Indo Wana Bara Mining Coal (Indo... Get Price. November | 2012 | Indonesian Companies News. ... alamat indowana bara mining coal coal deposit indonesia coal... Get Price. Gasifikasi Batu Bara: Sekawan Intipratama Gandeng ProCone ... 19 Ags 2014 ...