| 219 / | HD | ELECTRIC HEATING |
| 50 | DF | METAL HEATING (E.G., RESISTANCE HEATING) {19} |
| 78.01 | DF | .~ For bonding with pressure (e.g., resistance welding) {16} |
| 86.1 | DF | .~.~ By spot bonding {12} |
| 86.25 | DF | .~.~.~ With significant electrode support {4} |
| 86.33 | | .~.~.~.~ Having adjustment means {2} |
| 86.41 | DF | .~.~.~.~.~> With condition responsive control means {1} |
| 86.7 | DF | .~.~.~.~.~> For predetermined welding operation |