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(11) | EP 0 307 003 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Electromagnetic energy heating |
| (57) There are disclosed methods and apparatus for increasing the fluidity of hydrocarbon
fluids, by applying to those fluids electromagentic energy in the frequency range
of from about 300 megahertz to about 300 gigahertz. |