156 / | HD | ADHESIVE BONDING AND MISCELLANEOUS CHEMICAL MANUFACTURE |
1 | DF | METHODS {7} |
60 | DF | .~ Surface bonding and/or assembly therefor {93} |
272.2 | DF | .~.~ With direct application of electrical, magnetic, or radiant energy to work {11} |
273.3 | DF | .~.~.~ Before final assembly; e.g., to cure lamina, etc. {1} |
273.5 | .~.~.~.~ Before and after final assembly |