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หัวเจียรยาง - An Overview

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· The person abrasive balls about the specially coated grindstone in shape the workpiece surface area. Their spherical shape would not harm workpieces and enables significant-obligation operate. · As it is crystallized with GC and polycrystalline porous abrasive grains, it provides superior machinability even though sustaining the elasticity of a https://beediadiamond.com/catalog/rubber-points

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