156 / | HD | ADHESIVE BONDING AND MISCELLANEOUS CHEMICAL MANUFACTURE |
1 | DF | METHODS {7} |
60 | DF | .~ Surface bonding and/or assembly therefor {93} |
308.2 | DF | .~.~ By tackifying substance of self-sustaining lamina to be bonded; e.g., autogenous bonding, etc. {4} |
309.6 | .~.~.~ Involving defined plastic flow or melting of entire lamina |