Number | Name | Date | Kind |
---|---|---|---|
D197534 | Friedman | Feb 1964 | |
D282143 | Tarquinio | Jan 1986 | |
1333432 | Maier | Mar 1920 | |
2488296 | Kraus | Nov 1949 | |
3051473 | Ruhase | Aug 1962 | |
3222054 | Bisulca et al. | Dec 1965 | |
4211392 | De Santis | Jul 1980 | |
4505463 | Hirai | Mar 1985 |
Entry |
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Technical Drawings by "Giesecke et al", p. 92, 1958 (Trapezoid E). |