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| Business News Publishing - BNP |   | |
| EP&P - Electronic Packaging & Production |   | ||
| CircuiTree |   | ||
| U.S. Tech |   | ||
| U.S. Tech |   | ||
| Soldering & Surface Mount Technology |   | ||
| Circuits Assembly |   | ||
| CMP Media |   | ||
| Printed Circuit Design |   | ||
| CMP Media |   | ||
| Printed Circuit Fabrication |   | ||
| CMP Media |   | ||
| CompactPCI Systems |   | ||
| OpenSystems Publishing |   | ||
| PennWell Corporation / pennNET |   | ||
| SMT (Surface Mount Technology) |   | ||
| Reed Business Information (Cahners) - |   | ||
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