Number | Name | Date | Kind |
---|---|---|---|
2189971 | Warnecke | Feb 1940 | |
4585320 | Altavela et al. | Apr 1986 | |
4585322 | Reale | Apr 1986 | |
4585323 | Ewing et al. | Apr 1986 | |
4591713 | Gundlach et al. | May 1986 |
Entry |
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"Beryllium Copper"; John T. Richards et al; Materials & Methods Manual; The Brush Beryllium Co., Apr. 1950; pp. 76-90. |