Number | Name | Date | Kind |
---|---|---|---|
3054288 | Bowman et al. | Sep 1962 | |
3733900 | DeBaun | May 1973 | |
3756079 | November | Sep 1973 | |
4204832 | Miller | May 1980 | |
5050092 | Perry | Sep 1991 |
Entry |
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"Flow Measurement and Control Handbook and Encyclopedia"; Turbing Flowmeters, pp. F-3 to F-8; 1985/1986. |