Number | Date | Country | Kind |
---|---|---|---|
3019280 | May 1980 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3360823 | Tyrner | Jan 1968 | |
3384925 | Rothemeyer | May 1968 | |
3825645 | Fayet | Jul 1974 | |
3860383 | Sirevicius | Jan 1975 | |
4043739 | Appel | Aug 1977 | |
4285655 | Matsubara | Aug 1981 |
Number | Date | Country |
---|---|---|
1504354 | Sep 1969 | DEX |
2311685 | Sep 1974 | DEX |
2631099 | Jan 1978 | DEX |
Entry |
---|
J. Wortberg, "Extrusion I", IKV publication, Aachen, 1979, pp. 170-177. |