(19)

(11)

EP 0 046 768 A1

(12)

(43) Date of publication: 10.03.1982 Bulletin 1982/10 (21) Application number: 81900422.0 (22) Date of filing: 06.02.1981

(51) International Patent Classification (IPC):  A47G 25/ 28( . ) (86) International application number: PCT/AU1981/000015 (87) International publication number: WO 1981/002386 (03.09.1981 Gazette 1981/21)

(84) Designated Contracting States: AT CH DE FR GB LI NL SE (30) Priority: 26.02.1980 AU 19800002542 (71) Applicant: JOHNSON, Albert Joseph Forest Farm Research Station Londonderry, N.S.W. 2753 (AU)	(72) Inventor: JOHNSON, Albert Joseph Forest Farm Research Station Londonderry, N.S.W. 2753 (AU)