| Type | Patent family member | Publication No. | Date | Type | EP0148969 | Global Dossier
| 20.04.1988 | B1 | EP0148969 | 24.07.1985 | A1 | Priority number | Date | JP12537382 | 19.07.1982 | Type | Patent family member | Publication No. | Date | Type | JPS6248980B | 16.10.1987 | B2 | JPS5915433 | 26.01.1984 | A | Priority number | Date | JP12537382 | 19.07.1982 | Type | Patent family member | Publication No. | Date | Type | US4810298 | 07.03.1989 | A | Priority number | Date | JP12537382 | 19.07.1982 |