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3519269 | Howlett et al. | Jul 1970 | |
3819177 | Spiro | Jun 1974 | |
3972238 | Thatcher | Aug 1976 | |
4325548 | Piccini | Apr 1982 | |
5024443 | Bellagamba | Jun 1991 | |
5217186 | Stewart et al. | Jun 1993 | |
5226820 | Pearson | Jul 1993 | |
5234392 | Clark | Aug 1993 | |
5460589 | Dunn | Oct 1995 | |
5472394 | Michaelson | Dec 1995 | |
5490826 | Rose | Feb 1996 | |
5512029 | Barnard et al. | Apr 1996 |
Entry |
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Power Systems, Product Catalog Fall/Winter 1997, Knoxville, TN, p. 5. |
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