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หัวเจียรยาง - An Overview

chestery614szg6
· Has A higher degree of toughness than WA (white alundum), and While using the WA level of hardness, it has exceptional condition retention, so it's got a long dressing cycle, and generates tiny warmth throughout grinding. When compared with WA, it can be employed in fields with extra demanding https://beediadiamond.com/catalog/rubber-points
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