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crude coal tar
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...Coal Tar Pitch /spherical Pitch Usded In The Prodcution Of Refractories Product Description Definition: the pitch obtained from deep process of ...
2024-12-09 18:23:38
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Coal Tar Pitch Powder Used As Binder For Graphite Electrode Past Plants Sulfonated Powder Product Description Coal tar pitch powder used for the ...
2024-12-09 18:23:38
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... grade subject); Coal reversion (third grade subject). Physical and chemical properties: It is black brittle solid at a normal temperature, glossy; ...
2024-12-09 18:23:38
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