Number | Name | Date | Kind |
---|---|---|---|
2020373 | Petzold, Jr. | Nov 1935 | |
3899252 | Dimeff | Aug 1975 | |
4081100 | Presby | Mar 1978 | |
4322165 | Ellebracht et al. | Mar 1982 | |
4436215 | Kleinert et al. | Mar 1984 |
Entry |
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Helms et al., Spectrochimica Acta., vol. 19, 1963, pp. 819-828. |
"Beam Condenser for IR-4200", Beckman Instructions 015-555357, Oct. 1976. |