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Intengo yefekthri i-self-lubricant refractory carbon ...
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Intengo yefekthri ye-graphite tube, ebunjiwe ngomshini...
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Imikhiqizo ye-graphite yekhwalithi ephezulu imelana nomlilo...
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I-CVD sic coating cc eyinhlanganisela yenduku, i-silicon carbi ...
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I-tube ye-graphite yamanani aphansi, i-porosity ephansi enkulu dia...
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Igraphit yekhwalithi ephezulu ekwazi ukumelana nezinga lokushisa...