| 377 / | HD | ELECTRICAL PULSE COUNTERS, PULSE DIVIDERS, OR SHIFT REGISTERS: CIRCUITS AND SYSTEMS |
| 1 | DF | APPLICATIONS {11} |
| 19 | DF | .~ Measuring or testing {6} |
| 24 | DF | .~.~ Dimension {2} |
| 24.2 | ![]() | .~.~.~ Distance and Human Activity (e.g., pedometer, nonpowered golf carts) |