Number | Name | Date | Kind |
---|---|---|---|
1776117 | Heames et al. | Sep 1930 | |
2615701 | Ipsen | Oct 1952 |
Number | Date | Country |
---|---|---|
0148702 | Nov 1980 | JPX |
Entry |
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Surface Standard Rated Continuous Belt Furnaces, Bulletin SC-197-467-20M-BK, Midland-Ross Corp. Dec. 1967 pp. 1-8. |