(19)
(11)
EP 0 064 539 A1
(12)
(43)
Date of publication:
17.11.1982
Bulletin 1982/46
(21)
Application number:
81903178.0
(22)
Date of filing:
06.11.1981
(51)
International Patent Classification (IPC):
G11B
15/
00
( . )
G11B
19/
26
( . )
G11B
27/
026
( . )
G11B
27/
10
( . )
G11B
17/
00
( . )
G11B
27/
00
( . )
G11B
27/
034
( . )
G11B
27/
28
( . )
(86)
International application number:
PCT/US1981/001498
(87)
International publication number:
WO 1982/001784
(
27.05.1982
Gazette 1982/14)
(84)
Designated Contracting States:
DE FR GB NL
(30)
Priority:
10.11.1980
US 19800205782
(71)
Applicant:
WISCONSIN ALUMNI RESEARCH FOUNDATION
Madison, WI 53705 (US)
(72)
Inventor:
MISTRETTA, Charles A.
Madison, WI 53711 (US)
(74)
Representative:
KOHLER SCHMID + PARTNER
Patentanwälte Ruppmannstrasse 27
D-70565 Stuttgart
D-70565 Stuttgart (DE)
(54)
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