| 334519 |
Fuel mixture indicators, aircraft engine, manufacturing |
| 334519 |
Fuel system instruments, aircraft, manufacturing |
| 334519 |
Fuel totalizers, aircraft engine, manufacturing |
| 334519 |
Galvanometers, geophysical, manufacturing |
| 334519 |
Gas leak detectors manufacturing |
| 334519 |
Geiger counters manufacturing |
| 334519 |
Geophysical instruments manufacturing |
| 334519 |
Hand stamps (e.g., date, time), timing mechanism operated, manufacturing |
| 334519 |
Hardness testing equipment manufacturing |
| 334519 |
Household-type timing mechanisms manufacturing |