Number | Date | Country | Kind |
---|---|---|---|
2842005 | Sep 1978 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3080342 | Lee et al. | Mar 1963 | |
3177179 | Lee et al. | Apr 1965 | |
3214405 | Crowe | Oct 1965 | |
3544514 | Schnell et al. | Dec 1970 | |
3897392 | Haupt et al. | Jul 1975 | |
3931108 | Binsack et al. | Jan 1976 | |
4001183 | Freitag et al. | Jan 1977 | |
4174437 | Idel et al. | Nov 1979 | |
4185009 | Idel et al. | Jan 1980 | |
4196276 | Schreckenberg et al. | Apr 1980 |
Entry |
---|
Japanese Laid-Open Specification No. 34,992/76. |