Number | Date | Country | Kind |
---|---|---|---|
3135250 | Sep 1981 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4069343 | Sellstedt | Jan 1978 |
Number | Date | Country |
---|---|---|
6368 | Sep 1980 | EPX |
2413966 | Mar 1974 | DEX |
2656468 | Dec 1976 | DEX |
2751441 | Nov 1977 | DEX |
2828091 | Jun 1978 | DEX |
WO8101848 | Jul 1981 | WOX |
Entry |
---|
C.A. 78 No. 23, p. 382, 147943d. |
C.A. 45 No. 7, col. 2934, d. |