Number | Name | Date | Kind |
---|---|---|---|
2380385 | Buffum | Jul 1945 | |
3439487 | Landwehrkamp et al. | Apr 1969 | |
3532333 | Dehn | Oct 1970 | |
3875732 | Ellingham | Apr 1975 | |
3943691 | Mizon et al. | Mar 1976 | |
4008561 | Grau | Feb 1977 | |
4043847 | Just | Aug 1977 | |
4070814 | Goldammer et al. | Jan 1978 | |
4078370 | Dreger | Mar 1978 |
Number | Date | Country |
---|---|---|
2558738 | Dec 1975 | DEX |
Entry |
---|
Mechanical Engineers Handbook, Lionel Marks, Fifth Edition, 1951 (pp. 559-562). |