Résumé
Specifies three methods for determination - method A: on a straightened fibre on a graduated rule, under a light tension applied with the aid of forceps and grease; - method B: measurement, using an opisometer, of the length of the image of fibre enlarged by projection on a screen; - method C: by use of a semi-mechanical device. - Intended to replace two existing International Standard, ISO 270 and ISO 1822.
Informations générales
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État actuel: PubliéeDate de publication: 1981-05Stade: Norme internationale confirmée [90.93]
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Edition: 1Nombre de pages: 6
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Comité technique :ISO/TC 38/SC 23ICS :59.060.01
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Cycle de vie
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Précédemment
AnnuléeISO 270:1975
AnnuléeISO 1822:1973
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Actuellement