| 334513 |
Gas chromatographic instruments, industrial process-type, manufacturing |
| 334513 |
Gas flow instrumentation, industrial process-type, manufacturing |
| 334513 |
Gauges (i.e., analog, digital), industrial process-type, manufacturing |
| 334513 |
Humidity instruments, industrial process-type, manufacturing |
| 334513 |
Hydrometers, industrial process-type, manufacturing |
| 334513 |
Hygrometers, industrial process-type, manufacturing |
| 334513 |
Indicators, industrial process control-type, manufacturing |
| 334513 |
Industrial process control instruments manufacturing |
| 334513 |
Infrared instruments, industrial process-type, manufacturing |
| 334513 |
Instruments for industrial process control manufacturing |