Number | Name | Date | Kind |
---|---|---|---|
3502503 | Bartlo | Mar 1970 | |
3553015 | Dohogne | Jan 1971 | |
4317685 | Ahuja et al. | Mar 1982 | |
4439241 | Ault et al. | Mar 1984 | |
4713120 | Hodgens, II et al. | Dec 1987 | |
5464479 | Kenton et al. | Nov 1995 |
Entry |
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"Metal Cleaning" Bibliographical Abstracts--1842-1951 by J.C. Harris, pp. 41 &98. |