(19)
(11)
EP 0 159 331 A1
(12)
(43)
Date of publication:
30.10.1985
Bulletin 1985/44
(21)
Application number:
84903558.0
(22)
Date of filing:
27.09.1984
(51)
International Patent Classification (IPC):
H05K
3/
34
( . )
H05K
13/
04
( . )
H05K
3/
12
( . )
H05K
3/
30
( . )
H05K
1/
03
( . )
(86)
International application number:
PCT/GB1984/000330
(87)
International publication number:
WO 1985/001634
(
11.04.1985
Gazette 1985/09)
(84)
Designated Contracting States:
AT BE CH DE FR GB LI LU NL SE
(30)
Priority:
27.09.1983
GB 19830025803
(71)
Applicant:
DORTRELL LIMITED
Hampshire (GB)
(72)
Inventor:
BURKE, John, Patrick
Berkshire (GB)
(74)
Representative:
Brooks, Nigel Samuel
Hill Hampton East Meon
Petersfield Hampshire GU32 1QN
Petersfield Hampshire GU32 1QN (GB)
(54)
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