Number | Date | Country | Kind |
---|---|---|---|
59-213594 | Oct 1984 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3391542 | Herrick et al. | Jul 1968 | |
3495412 | Sakata et al. | Feb 1970 | |
3611733 | Eilers et al. | Oct 1971 |
Number | Date | Country |
---|---|---|
46-04786 | Feb 1971 | JPX |
50-31725 | Oct 1975 | JPX |
3027304 | Jan 1983 | JPX |
Entry |
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Shafer et al, "Phase Equilibria in the System Na.sub.2 O.Nb.sub.2 O.sub.5," Journal of the American Ceramic Society (1959) vol. 42, No. 10, pp. 482-486. |