Extract oils (coal), coal tar residual pyrolysis oils, naphthaleneoil, distn. residues

Extract oils (coal), coal tar residual pyrolysis oils, naphthaleneoils

Extract oils (coal), coal tar-residual pyrolysis oils, naphthaleneoil, redistillate

Extract oils (coal), light oil

Extract oils (coal), naphthalene oils

Extract oils (coal), tar base

Extract oils (coal), tar base, collidine fraction

Extract residues (coal tar), benzole fraction alk., acid ext.

Extract residues (coal tar), high-temperature, naphthalene oil alkaline, distn. overheads

Extract residues (coal), benzole fraction acid

Extract residues (coal), benzole fraction alk., acid ext.

Extract residues (coal), brown

Extract residues (coal), creosote oil acid

Extract residues (coal), gasification, neutral fraction

Extract residues (coal), light oil alk., acid ext.

Extract residues (coal), light oil alk., acid ext., Friedel-Craftsreaction products with isobutylene

Extract residues (coal), light oil alk., acid ext., Friedel-Craftsreaction products with isobutylene and light-oil coal-tar distill ate

Extract residues (coal), light oil alk., acid ext., Friedel-Craftsreaction products with isobutylene and phenol

Extract residues (coal), light oil alk., acid ext., indene fraction

Extract residues (coal), light oil alk., distn. overheads