Number | Date | Country | Kind |
---|---|---|---|
2758780 | Dec 1977 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2991297 | Cooley et al. | Feb 1961 | |
4053491 | Koch et al. | Oct 1977 | |
4061581 | Lclen et al. | Dec 1977 |
Number | Date | Country |
---|---|---|
250649 | Jun 1961 | AUX |
Entry |
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Bohner, G. et al., J. of Chem. and Eng. Data, vol. 7, No. 4, pp. 547-553. |