(19)

(11)

EP 0 663 033 A1

(12)

(43) Date of publication: 19.07.1995 Bulletin 1995/29 (21) Application number: 93922083.0 (22) Date of filing: 01.10.1993

(51) International Patent Classification (IPC):  A01D 34/ 84( . ) E02F 3/ 32( . ) E02F 3/ 38( . ) E02F 3/ 30( . ) E02F 3/ 36( . ) E02F 9/ 20( . ) (86) International application number: PCT/NZ1993/000089 (87) International publication number: WO 1994/008099 (14.04.1994 Gazette 1994/09)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 02.10.1992 NZ 19920244610 (60) Divisional application: 00107943.3 / 1013835 (71) Applicant: TELEPOINT NEW ZEALAND LIMITED Hamilton (NZ)	(72) Inventor: PARKER, Clifford Allan Mt Wellington, Auckland (NZ) (74) Representative: Barlow, Roy James  J.A. KEMP & CO. 14, South Square Gray's Inn London WC1R 5LX London WC1R 5LX (GB)