Number | Name | Date | Kind |
---|---|---|---|
1478102 | Clark et al. | Dec 1923 | |
2526966 | Oberfell et al. | Oct 1979 | |
3321395 | Paterson | May 1967 | |
4025051 | Shell et al. | May 1977 |
Number | Date | Country |
---|---|---|
133570 | Oct 1979 | DDX |
Entry |
---|
Nelson, "Petroleum Refinery Engineering", Fourth Edition, 1958 pp. 92 & 94. |