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B4C -200 Mesh Boron Karbida Dalam Bahan Tahan aus Keramik Diperkuat Grinding
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Tahan Temp Hi Tech Refractory B4C Abrasives Untuk Memukul-Mukul Dan Memotong Ultrasonik
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B4C-Graphite Thermocouple Boron Karbida Pelet, Grinding Tools Castable Refractory
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Granular B4C Bahan Refraktori Sendok Di Tempat Berlian FEPA Standar
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Grinding Tools Boron Carbide Powder, Abrasive Insulating Castable RefractoryThir yang paling sulit
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Keselamatan Boron Karbida Nanopowder, Blast Furnace Refractory Grinding Polishing Sapphire Substrat
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Dark Abrasive High Temperature Castable Refractory 90 - 94% B4C Untuk Industri Nuklir
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