POB CYNNYRCH
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Zirconia
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Silica
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Alwmina brown ymdoddedig
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Chaolin
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Bocsit
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Sintered mullite
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Mullite ymdoddedig
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Cyfres CA50 sment alwmina uchel
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Alwmina swigen
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Alwmina Tablaidd
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Alwmina Gwyn Ymdoddedig
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Sment aluminate calsiwm
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spinel magnesia alwmina sintered
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spinel magnesia alwmina ymdoddedig
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Powdwr α-AL₂O₃ calchynnu
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Powdwr α-AL₂O₃ adweithiol