Type | ![]() | Publication No. | Date | Type | EP0026737 | ![]() | 09.03.1983 | B1 | EP0026737 | 08.04.1981 | A1 | Priority number | Date | US7421779 | 10.09.1979 | Type | ![]() | Publication No. | Date | Type | DE3062294D1 | 14.04.1983 | D1 | Priority number | Date | US7421779 | 10.09.1979 | Type | ![]() | Publication No. | Date | Type | JPS6325582B | 26.05.1988 | B2 | JPS5681563 | 03.07.1981 | A | Priority number | Date | US7421779 | 10.09.1979 | Type | ![]() | Publication No. | Date | Type | US4259495 | 31.03.1981 | A | Priority number | Date | US7421779 | 10.09.1979 |