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| Frequency Devices, Inc. | |
| Summit Instruments, Inc. | ||
| Journal Of Computer Controlled Systems | ||
| ZTEC | ||
| Virginia Panel Corporation | ||
| Dawn VME | ||
| Midwest Micro Tek | ||
| Universal Switching Corporation | ||
| Racal Instruments | ||
| Condor Engineering | ||
| Advanced Power Designs | ||
| Tracewell Systems | ||
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