(19)

(11)

EP 0 025 782 A1

(12)

(43) Date of publication: 01.04.1981 Bulletin 1981/13 (21) Application number: 79900340.0 (22) Date of filing: 30.03.1979

(51) International Patent Classification (IPC):  B01J 4/ 02( . ) G01G 19/ 64( . ) G05D 11/ 00( . ) G01G 13/ 00( . ) G01N 31/ 00( . ) (86) International application number: PCT/SE1979/000074 (87) International publication number: WO 1980/002205 (16.10.1980 Gazette 1980/23)

(84) Designated Contracting States: FR (71) Applicant: TECATOR INSTRUMENT AB S-263 01 Höganäs (SE)	(72) Inventor: WIHLBORG, Nils, Gunnar S-252 23 Helsingborg (SE)