Joint sealing compounds comprising a vinyl chloride-vinyl acetate copolymer, coal digestion pitch and tar heavy oil.
US 2,697,697
Joint sealing compounds comprising a vinyl chloride-vinyl acetate copolymer, coal digestion pitch and tar heavy oil. - Dec. 21, 1954
BITUMINOUS EMULSION
SEALANT
US 2,697,697
Joint sealing compounds comprising a vinyl chloride-vinyl acetate copolymer, coal digestion pitch and tar heavy oil. - Dec. 21, 1954
BITUMINOUS EMULSION
SEALANT
US 2,697,697