| 38249011 | AMMONIACAL GAS LIQUORS AND SPENT OXIDE PRODUCED IN COAL GAS PURIFICATION, CASE HARDENING COMPOUND, HEAT TRANSFER SALTS, MIXTURE OF DIPHENYL AND DIPHENYL OXIDE AS HEAT TRANSFER MEDIUM, MIXED POLYETHYLENE GLYCOLS; SALTS FOR CURING OR SALTING, SURFACE TENSION REDUCING AGENTS : AMMONIACAL GAS LIQUORS AND SPENT OXIDE PRODUCED IN COAL GAS PURIFICATION |