| 429 / | HD | CHEMISTRY: ELECTRICAL CURRENT PRODUCING APPARATUS, PRODUCT, AND PROCESS |
| 110 | ![]() | DEFERRED ACTION TYPE {4} |
| 111 | DF | .~> Responsive to light |
| 112 | DF | .~> Responsive to heat |
| 113 | DF | .~> Responsive to movement of electrode on contained electrolyte {4} |
| 118 | DF | .~> Responsive to addition of liquid {1} |