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Norm
ISO 137:1975
Issue date: 1975 02 01
Wool — Determination of fibre diameter — Projection microscope method
Projection on a screen of the magnified images of the profiles of wool fibre pieces and measurement of their width by means of a graduated scale. The operating technique ...
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Withdrawn
: 2015 11 23
Publisher:
International Organization for Standardization
Format:
Digital | 7 Pages
Language:
English
Currently valid:
ICS
Projection on a screen of the magnified images of the profiles of wool fibre pieces and measurement of their width by means of a graduated scale. The operating technique assures a random sampling of the fibres to be measured. Suitable for wool fibres in any form and also for other fibres of reasonably circular cross-section.
ISO 137:1975
1975 02 01
Wool — Determination of fibre diameter — Projection microscope method
Norm
↖
Norm
ISO 137:2015
Issue date :
2015 11 23
Wool — Determination of fibre diameter — Projection microscope method