| 334515 |
Graphic recording meters, electric, manufacturing |
| 334515 |
Ignition testing instruments manufacturing |
| 334515 |
Impedance measuring equipment manufacturing |
| 334515 |
Indicating instruments, electric, manufacturing |
| 334515 |
Instrument shunts manufacturing |
| 334515 |
Instruments for measuring electrical quantities manufacturing |
| 334515 |
Instruments, electric (i.e., testing electrical characteristics), manufacturing |
| 334515 |
Integrated-circuit testers manufacturing |
| 334515 |
Integrating electricity meters manufacturing |
| 334515 |
Internal combustion engine analyzers (i.e., testing electrical characteristics) manufacturing |