Number | Date | Country | Kind |
---|---|---|---|
8614925 | Jun 1986 | GBX |
Number | Date | Country |
---|---|---|
468280 | Oct 1944 | CAX |
773402 | Apr 1957 | GBX |
1043507 | Sep 1966 | GBX |
520343 | Dec 1976 | SUX |
Entry |
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Gogek et al., "Canadian J. Chem.", vol. 29, (1951), pp. 938-945. |
Shepard et al., "Industrial & Engineering Chem.", vol. 20 (1929 pp. 722-723). |