PROCESS FOR PREPARING LIGNITE OR BROWN COAL FOR BRIQUETTING
NAGY,LEVENTE,HU, FUERI,LASZLO,HU, PAL,SANDOR,HU, LAPOSA,LAJOS,HU, PAPP,ISTVAN,HU, GRUBER,KAROLY,HU, BODI,BELA,HU
Year of Publication 28.08.1989
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Year of Publication 28.08.1989
Patent