Number | Date | Country | Kind |
---|---|---|---|
7503241 | Mar 1975 | NL |
Number | Name | Date | Kind |
---|---|---|---|
3783229 | Rohe et al. | Jan 1974 | |
3832513 | Klasson | Aug 1974 | |
3891824 | Essers | Jun 1975 | |
3898418 | Husui | Aug 1975 | |
3997756 | Bykhovsky | Dec 1976 |
Number | Date | Country |
---|---|---|
2,062,036 | Sep 1971 | DT |
1,910,398 | Nov 1969 | DT |
Entry |
---|
Welding Technology Data - Sheet 46, Welding and Metal Fabrication - Dec. 1974. |