Number | Name | Date | Kind |
---|---|---|---|
851118 | Chadwick | Apr 1907 | |
3234723 | Brown | Feb 1966 | |
3486557 | Harrison | Dec 1969 | |
4024913 | Grable | May 1977 |
Entry |
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Frick et al., "Petroleum Production Handbook", vol. 1, "Mathematics and Production Equipment", McGraw-Hill Book Co., Inc., N.Y., 1962, pp. 8-1 to 8-14. |