Number | Name | Date | Kind |
---|---|---|---|
3649316 | Uno et al. | Mar 1972 | |
3827982 | Hall et al. | Aug 1974 | |
4087573 | Holcombe, Jr. et al. | May 1978 | |
4148663 | Holcombe, Jr. | Apr 1979 | |
4220475 | Tokar et al. | Sep 1980 |
Entry |
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W. Gutt and M. A. Smith, "Cerium as Minor Component in Cement Manufacture", Cement Technology, Jan., 1970, pp. 17-21. |
P. F. Rumyantsev and Z. I. Skotnikonova, "Effect of Lanthanium Oxide on the Formation Kinetics and Properties of Cement Clinker", Foreign Technology Division Air Force Systems Command, FTD-HT-23-858-72. |