Number | Date | Country | Kind |
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93201459 | May 1993 | EPX |
Number | Name | Date | Kind |
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4740704 | Rose et al. | Apr 1988 | |
5177361 | Krahl et al. | Jan 1993 |
Entry |
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S. Lanio and H. Rose, "Test and improved design of a corrected imaging magnetic energy filter", Optic, vol. 73, No. 2 (1986), pp. 56-68. |