(19)

(11)

EP 0 216 773 A1

(12)

(43) Date of publication: 08.04.1987 Bulletin 1987/15 (21) Application number: 85903032.0 (22) Date of filing: 11.06.1985

(51) International Patent Classification (IPC):  G01M 11/ 00( . ) (86) International application number: PCT/IT1985/000007 (87) International publication number: WO 1986/000134 (03.01.1986 Gazette 1986/01)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 13.06.1984 IT 19840048394 (71) Applicant: FONDAZIONE UGO BORDONI I-00153 Roma (IT)	(72) Inventors: DAINO, Benedetto I-00136 Roma (IT) SPANO, Paolo I-00139 Roma (IT)