162 / | HD | PAPER MAKING AND FIBER LIBERATION |
100 | DF | PROCESSES AND PRODUCTS {31} |
158 | DF | .~ Non-fiber additive {16} |
183 | DF | .~.~ Incorporation procedures {1} |
184 | .~.~.~ Application to formed web {2} | |
185 | DF | .~.~.~.~> Part added to furnish or pulp |
186 | DF | .~.~.~.~> On mold |