Number | Date | Country | Kind |
---|---|---|---|
71.41426 | Nov 1971 | FR |
This is a division of application Ser. No. 304,543, filed Nov. 7, 1972 now U.S. Pat. No. 3,887,495.
Number | Name | Date | Kind |
---|---|---|---|
3584060 | Rausch | Jun 1971 | |
3644559 | Kobylinski et al. | Feb 1972 | |
3649564 | Hayes | Mar 1972 | |
3692863 | Kmecak et al. | Sep 1972 | |
3725246 | Kmecak et al. | Apr 1973 | |
3759841 | Wilhelm | Sep 1973 | |
3764557 | Kluksdahl | Oct 1973 | |
3781221 | Kominam et al. | Dec 1973 |
Entry |
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balaudiu, A. A. et al., Izvest. Akad. Nauk S.S.S.R. Otdel Khim Nauk, 1959, pp. 1365-1371. |
Balaudiu, A. A. et al., Redkie Metallyi Splavy, Trudy Pervogo Vsesoyuz. Soveschauiya po Splavani Redkikh Metal, Akad. Nauk, S.S.S.R. Inst. Metal, Moscow, 1957, pp. 72-79. |
Balaudiu, A. A. et al., Akad. Nauk, S.S.S.R. Inst. Met., 1958, pp. 170-179. |
Number | Date | Country | |
---|---|---|---|
Parent | 304543 | Nov 1972 |