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หัวเจียรยาง For Dummies

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· A Uniformly polished surface area might be obtained with fewer deep scratches in comparison with grindstones with shaft. · Since it is crystallized with GC and polycrystalline porous abrasive grains, it offers large machinability though maintaining the elasticity of an ordinary grindstone with rubber shaft. Silicone is greatly relied https://beediadiamond.com/catalog/rubber-points
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