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EP0287718
European procedure
Extract from the Register of European Patents
| Type |  Patent family member | Publication No. | Date | Type | CA1294942 | 28.01.1992 | C | Priority number | Date | CA534654 | 14.04.1987 | US88255686 | 07.07.1986 | Type | Patent family member | Publication No. | Date | Type | CN1017059B | 17.06.1992 | B | CN1050037 | 20.03.1991 | A | Priority number | Date | CN87103714 | 27.04.1987 | Type | Patent family member | Publication No. | Date | Type | CN1017343B | 08.07.1992 | B | CN87103714 | 16.11.1988 | A | Priority number | Date | US88255686 | 07.07.1986 | CN87103714 | 27.04.1987 | Type | Patent family member | Publication No. | Date | Type | JPH067925B | 02.02.1994 | B2 | JPS63267442 | 04.11.1988 | A | Priority number | Date | US75115885 | 02.07.1985 | JP10216787 | 27.04.1987 | Type | Patent family member | Publication No. | Date | Type | US4661239 | 28.04.1987 | A | Priority number | Date | US75115885 | 02.07.1985 | CA534654 | 14.04.1987 | US88255686 | 07.07.1986 | EP87303455 | 21.04.1987 | Type | Patent family member | Publication No. | Date | Type | ZA872686 | 25.11.1987 | B | Priority number | Date | US75115885 | 02.07.1985 | ZA872686 | 14.04.1987 | Type |  Equivalent | Publication No. | Date | Type | EP0287718 |  Global Dossier
| 06.03.1991 | B1 | EP0287718 | 26.10.1988 | A1 | Priority number | Date | EP87303455 | 21.04.1987 | Type | Equivalent | Publication No. | Date | Type | DE3768493D1 | 11.04.1991 | D1 | Priority number | Date | EP87303455 | 21.04.1987 |