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40 Dyne pen's video

1341 plays · 2022-06-23
Videos > Dyne pen > 40
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A.shine 40 Dyne pen
Product description
A.shine40 Dyne pen, specification 40, conforms to ASTM Standard D2578 and TAPPI T698 standards, built-in 15ml test solution, can be used more than 100 times.