Number | Date | Country | Kind |
---|---|---|---|
3612684 | Apr 1986 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4476893 | Schwelm | Oct 1984 | |
4478245 | Bender | Oct 1984 |
Number | Date | Country |
---|---|---|
2914196 | Oct 1980 | DEX |
137615 | Sep 1979 | DDX |
Entry |
---|
Trade Journal Olhydraulik und Pneumatik, 25, (1981), No. 8, pp. 617-619 and22-624. |