Number | Date | Country | Kind |
---|---|---|---|
4138386 | Nov 1991 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3339013 | Gainer et al. | Aug 1967 | |
3468839 | Millane | Sep 1969 | |
5057367 | Morii et al. | Oct 1991 |
Number | Date | Country |
---|---|---|
207750 | Jan 1987 | EPX |
53-14198 | Feb 1978 | JPX |
Entry |
---|
JP 5 3104-650 Derwert Abst. |
JP 6 3210-165 Derwert Abst. |