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D7409 Standard Test Method for Carboxyl End Group Content of Polyethylene Terephthalate (PET) Yarns has been reapproved, available as D7409-15(2020)


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D7409 Standard Test Method for Carboxyl End Group Content of Polyethylene Terephthalate (PET) Yarns has been reapproved, available as D7409-15(2020)

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