K
raw materials, namely limestone, quick lime, dolomite, kaolin, feldspar, pyrite, copper pyrites, anthracite, graphite, coal, coke and partially calibrated, purified and sterilized petroleum coke (in part analyzed, washed and sterilized), all of the above made into finely pulverized solids (to micron scale) for further manufacture of goods such as special gypsum, support-molded parts, plaster of paris, medicinal fillers, inert materials for the manufacture of tablets, medicinal powders for tab...
Cancelled · April 23, 1992 · 74268415 ·
