(19)
(11) EP 0 441 830 A1

(12)

(43) Date of publication:
21.08.1991 Bulletin 1991/34

(21) Application number: 89912154.0

(22) Date of filing: 02.11.1989
(51) International Patent Classification (IPC): 
H01F 7/ 14( . )
(86) International application number:
PCT/SE1989/000623
(87) International publication number:
WO 1990/005368 (17.05.1990 Gazette 1990/11)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 02.11.1988 SE 19880003975

(71) Applicant: ASEA BROWN BOVERI AB
S-721 83 Västeras (SE)

(72) Inventors:
  • ABRI, Assadollah
    S-722 25 Västeras (SE)
  • NORDGREN, Robert
    S-724 73 Västeras (SE)

(74) Representative: Boecker, Joachim, Dr.-Ing. 
Adelonstrasse 58
D-65929 Frankfurt am Main
D-65929 Frankfurt am Main (DE)

   


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