Bl This standard establishes the way of extracting samples and the test methods to be followed to determine the characteristics of the various types of cotton threads used in family and industrial sewing. B-2 Since it is a general procedural rule, it must be applied in accordance with what is established by the rules corresponding to each type of cotton sewing thread, which may eventually dispense with some of these determinations and include new ones.
IRAM 7601-1959 history
1959IRAM 7601-1959 Sample extraction and testing methods of textile cotton threads