Number | Date | Country | Kind |
---|---|---|---|
43 44 561.6 | Dec 1993 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3235312 | Hollander | Feb 1966 | |
3275108 | General | Sep 1966 | |
3504425 | Sutovksy et al. | Apr 1970 | |
3584520 | Borman | Jun 1971 | |
3665707 | Koivunen | May 1972 | |
4033501 | Ambrose, Jr. et al. | Jul 1977 | |
4323185 | Grilli et al. | Apr 1982 | |
4387844 | Frank | Jun 1983 |
Number | Date | Country |
---|---|---|
3626009C2 | Oct 1988 | DEX |
3815957A1 | Nov 1989 | DEX |
3-243286 | Oct 1991 | JPX |
3-234383 | Oct 1991 | JPX |
1053149 | Dec 1966 | GBX |
1053148 | Dec 1966 | GBX |
1093632 | Dec 1967 | GBX |
1188583 | Apr 1970 | GBX |
Entry |
---|
Wichelhaus/Gruenauer "Preconditions and Prospects for Friction Butt-Welding", German Journal MM Maschinenmarkt No. 70/1975, Vogel-Verlag Wurzburg. |
Schweissen und Schneiden, Year 20 (1968), Issue 11. |
Eichhorn/Borowka, Schweissen und Schneiden, vol. 128 (1986), No. 20--Oct. |