Number | Name | Date | Kind |
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4413205 | Ooms | Nov 1983 | A |
5072147 | Pugh et al. | Dec 1991 | A |
5708326 | Mizohata et al. | Jan 1998 | A |
6066019 | Bewlay | May 2000 | A |
6165412 | Lunk et al. | Dec 2000 | A |
6190466 | Apagyi et al. | Feb 2001 | B1 |
6419758 | Bewlay et al. | Jul 2002 | B1 |
Number | Date | Country |
---|---|---|
1053020 | Dec 1966 | GB |
Entry |
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The Metallurgy of Doped/Non-Sag Tungsten, Edited by Erwin Pink and Laszlo Bartha, 1989, 87 pages. |