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Extract from the Register of European Patents

EP Event history: EP0304974


Date  Description European Patent Bulletin date, issue number
02.04.1992 Application deemed to be withdrawn published on  20.05.1992 [1992/21]
03.07.1991 First examination report
20.06.1989 Request for examination filed published on  09.08.1989 [1989/32]
14.01.1989 Publication in section I.1 EP Bulletin published on  01.03.1989 [1989/09]