156 / | HD | ADHESIVE BONDING AND MISCELLANEOUS CHEMICAL MANUFACTURE |
349 | DF | SURFACE BONDING MEANS AND/OR ASSEMBLY MEANS THEREFOR {34} |
379.6 | DF | .~ With means applying wave energy or electrical energy directly to work {4} |
380.6 | DF | .~.~ With electrode having a mechanical function; e.g., pressing, etc. {2} |
380.8 | .~.~.~ Shaping or deforming function; e.g., patterned electrode, etc. |