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Extract from the Register of European Patents

EP Event history: EP0420635


Date  Description European Patent Bulletin date, issue number
17.06.1993 Application deemed to be withdrawn published on  04.08.1993 [1993/31]
09.04.1992 Publication of search report published on  27.05.1992 [1992/22]
16.02.1991 Publication in section I.1 EP Bulletin published on  03.04.1991 [1991/14]