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Heat exchanger for an electronic heat pump |
Andrew Batchelor, Ben Banney, Tilak T. Chandratilleke |
2003-09-16 |
| 6446442 |
Heat exchanger for an electronic heat pump |
Andrew Batchelor, Ben Banney, Tilak T. Chandratilleke |
2002-09-10 |
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Low pressure xenon lamp and driver circuitry for use in theatrical productions and the like |
David A. Pringle, Zhong Yan, George C. Johnson |
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Low pressure xenon lamp and driver circuitry for use in theatrical productions and the like |
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1999-11-09 |
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Low pressure xenon lamp and driver circuitry for use in theatrical productions and the like |
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Rotary air valve seal arrangement |
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