Number | Name | Date | Kind |
---|---|---|---|
1720508 | Bundy | Jul 1929 | |
2152437 | Lear | Mar 1939 | |
3426953 | Metzger et al. | Feb 1969 |
Entry |
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The Soldering of Sheet-Metal Heat Exchangers, Symposium at the College of Advanced Technology, England, Apr. 30, 1965, pp. 6-30. |
Metals Handbook, 8th Edition, vol. 8, pp. 428-430, American Society for Metals, 1973. |