Number | Date | Country | Kind |
---|---|---|---|
3823455 | Jul 1988 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3755159 | Nagy | Aug 1973 | |
4188293 | Green et al. | Feb 1980 | |
4387017 | McEntire et al. | Jun 1983 | |
4444654 | Cargle et al. | Apr 1984 | |
4457371 | McCoy et al. | Jul 1984 | |
4576723 | Eisenlauer et al. | Mar 1986 | |
4734205 | Jacques et al. | Mar 1988 | |
4789483 | Spei et al. | Dec 1988 | |
4855060 | Durham et al. | Aug 1989 |
Number | Date | Country |
---|---|---|
0038986 | Feb 1968 | EPX |
2927275 | May 1962 | DEX |
2507271 | Aug 1971 | DEX |
0125040 | Jul 1981 | DEX |
3627199 | Aug 1986 | DEX |
Entry |
---|
B. Spei and V. Wehle, "Wasser, Luft und Betrieb," Issue 10/86, p. 62 et seq. |
B. Spei and V. Wehle, "Wasser, Luft und Betrieb," Issue 5/87, p. 20, et seq. |