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3806286 | Granberg | Apr 1974 | A |
3890071 | O'Brien | Jun 1975 | A |
3908602 | Brulfert et al. | Sep 1975 | A |
4047856 | Hoffman | Sep 1977 | A |
4311010 | Wurmfeld | Jan 1982 | A |
4520765 | Gerace | Jun 1985 | A |
4550694 | Evans | Nov 1985 | A |
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4022632 | Oct 1993 | DE |
4422720 | Jan 1996 | DE |
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20012430 | Nov 2000 | DE |
Entry |
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Buschmann et al.; Zero Emission Engine—The Steam Engine with Isothermal Expansion; MTZ Motortechnische Zeitschrift, vol. 61, No. 5 (2000); F. Vieweg & Son, mbH, Wiesbaden, Germany; pp. 314-323. |