72323903
Apr 8, 1969
Mar 7, 1972
KOPPERS COMPANY INC.
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COKE; CRUDE COAL TARS AND PITCHES; ASPHALT; MINERAL AGGREGATES; SYNTHETIC RESINS-NAMELY, AMINO, VINYL, ALKYD, POLYESTER, AND ACRYLIC RESINS; CHLORINATED RUBBER; AND CHEMICALLY TREATED TIMBER