Populære standarder

• ASTM D1244 - 98(2020)

  Standard Practice for Designation of Yarn Construction

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• ASTM D1422/D1422M - 13(2020)

  Standard Test Method for Twist in Single Spun Yarns by the Untwist-Retwist Method

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• ASTM D1423 - 02(2008)

  Standard Test Method for Twist in Yarns by Direct-Counting

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