PERFECTSEAL
[ ASBESTOS ] * CELLULOSE FIBER * ROOFING CEMENTS, AND CAULKING COMPOUNDS, EACH COMPOSED ESSENTIALLY OF ASPHALT COMPOUNDS, [ ASBESTOS FIBRE, ] *CELLULOSE FIBERS, * MINERAL FILLERS AND VOLATILE SOLVENTS
Registered · August 4, 1947 · 71530414 ·