Number | Date | Country | Kind |
---|---|---|---|
58-57447 | Mar 1983 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3006786 | Sjoberg | Oct 1961 | |
3508918 | Levy | Apr 1970 |
Number | Date | Country |
---|---|---|
1804014 | Apr 1970 | DEX |
1035892 | Jul 1966 | GBX |
320802 | Dec 1971 | SUX |
Entry |
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Chem. and Engr. News, Dec. 3, 1984, pp. 33-34. |