(19)

(11)

EP 0 098 846 A1

(12)

(43) Date of publication: 25.01.1984 Bulletin 1984/04 (21) Application number: 83900327.0 (22) Date of filing: 17.01.1983

(51) International Patent Classification (IPC):  H01H 33/ 00( . ) H01H 39/ 00( . ) (86) International application number: PCT/AU1983/000006 (87) International publication number: WO 1983/002524 (21.07.1983 Gazette 1983/17)

(84) Designated Contracting States: AT BE CH DE FR GB LI NL SE (30) Priority: 18.01.1982 AU 19820002318 (71) Applicant: THE COMMONWEALTH OF AUSTRALIA Canberra, Australian Capital Territory 2600 (AU)	(72) Inventors: CLARK, A. Gregory Woodend, VIC (AU) THIO, Yong Chia Pittsburgh, PA (US) (74) Representative: Brown, John David, et al  FORRESTER & BOEHMERT Franz-Joseph-Strasse 38 D-80801 München D-80801 München (DE)