Number | Date | Country | Kind |
---|---|---|---|
63-192781 | Aug 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4001588 | Elsner | Jan 1977 | |
4377618 | Ikeda et al. | Mar 1983 | |
4499382 | Vincent | Feb 1985 |
Number | Date | Country |
---|---|---|
62-184088 | Aug 1987 | JPX |
Entry |
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Kim et al., "Theoretically Dense (99.9%) Polycrystalline Alumina Prepared from Cryochemically Processed Powders", Ceramic Bulletin, vol. 50, No. 6, (1971), pp. 532-34. |