… of wood pulp, whether or not concentrated, desugared or chemically treated, including lignin sulphonates, but …
Explanatory notes
… of wood pulp, whether or not concentrated, desugared or chemically treated, including lignin sulphonates, but … process , whether or not concentrated, desugared or chemically treated. Concentrated sulphite lye consists … processes , whether or not concentrated, desugared or chemically treated (including the frothy mass which forms on …