(19)

(11)

EP 0 151 168 A1

(12)

(43) Date of publication: 14.08.1985 Bulletin 1985/33 (21) Application number: 84902895.0 (22) Date of filing: 23.07.1984

(51) International Patent Classification (IPC):  H04M 1/ 66( . ) H04M 1/ 677( . ) H04M 1/ 67( . ) (86) International application number: PCT/AU1984/000141 (87) International publication number: WO 1985/000716 (14.02.1985 Gazette 1985/04)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 21.07.1983 AU 19830000414 (71) Applicant: MALCA PTY. LTD. Canning Bridge, W.A. 6153 (AU)	(72) Inventor: GRANATH, Lars, Roland North Fremantle, W.A. 6159 (AU) (74) Representative: Jones, Colin  W.P. THOMPSON & CO. Coopers Building Church Street Liverpool L1 3AB Liverpool L1 3AB (GB)