72298283
May 16, 1968
Nov 18, 1969
CRUDE AND REFINED TARS, [ PITCH FOR ROOFING PURPOSES, PITCH USED IN THE MANUFACTURE OF ELECTRODES AND BRIQUETTEES, COKE, ] ASPHALT, [ CELLULOSE GUMS, LIME AND LIMESTONE; ] SULPHATE, [ SULPHITE, ] AND GROUND WOOD PULP
Chemicals