Number | Date | Country | Kind |
---|---|---|---|
4104447 | Feb 1991 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4659624 | Yeager et al. | Apr 1987 | |
4917923 | Yoshida et al. | Apr 1990 |
Number | Date | Country |
---|---|---|
2109006 | May 1983 | GBX |
Entry |
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Technische Rundschau Sulzer, Article by W. Meier, Feb. 1979, pp. 49-61. |
Chemische Technologie, vol. 1, Anorganische Technologie I, Carl Hanser Verlage, Munich 1969, pp. 504 and 505. |