Number | Date | Country | Kind |
---|---|---|---|
93 06015 | May 1993 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
3345440 | Googin et al. | Jan 1968 | |
4564496 | Gupta et al. | Jan 1986 | |
4777152 | Tsukada | Oct 1988 | |
5093289 | Braetsch et al. | Mar 1992 | |
5196389 | Dubots | Mar 1993 | |
5217930 | Dubots | Jun 1993 | |
5283019 | Atwell et al. | Feb 1994 |
Number | Date | Country |
---|---|---|
1484116 | Jan 1968 | FRX |
78-07448A | Dec 1977 | JPX |
52-148467 | Dec 1977 | JPX |
88-261527 | Aug 1988 | JPX |
Entry |
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American Ceramic society Bulletin, vol. 71, No. 11, Nov. 1992, Columbus US, pp. 1674-1682, Saggio et al. |