… or without glued flat surface sheets), creped, crinkled, embossed or perforated, in rolls or sheets, other than paper …
Explanatory notes
… or without glued flat surface sheets), creped, crinkled, embossed or perforated, in rolls or sheets, other than paper … . Corrugated paper and paperboard results from processing the material through grooved rollers with the … sides (double faced). Heavier boards may be built up with successive plies of corrugated paper or paperboard with …