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Certificate opening.jpg
Testex certificate-01.png
Testex certificate-02.png
Testex certificate-03.png
Testex certificate-05.png
Testex certificate-07.png
Testex certificate-09.png
Testex certificate-11.png
Testex certificate-13.png
Testex certificate-04.png
Testex certificate-06.png
Testex certificate-08.png
Testex certificate-10.png
Testex certificate-14.png
Testex certificate-12.png
Testex certificate-15.png

Tiêu chuẩn Tes-Tex cho sợi filament PES

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