| Time-Hour Meters - Engineering buyer's guide. |  |
| Nb of links = 7 | |
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| Aromat Automation Controls Division | ||
| Beede Electrical Instrument Co., Inc. | |||
| Fargo Controls, Inc. | |||
| Frank W. Murphy Mfr. | |||
| Grasslin Controls Corporation | |||
| Hobbs Corporation | |||
| Laurel Electronics, Inc. | |||
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