| D | Refractory materials, silica |
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| D | Refractory materials, alumina rich clay based, 45 to 85% aluminium oxide |
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| D | Refractory materials, 85 to 99% alumina |
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| D | Refractory materials, corundum, 85 to 99% alumina |
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| D | Refractory materials, kyanite/disthene, 45 to 85% alumina |
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| D | Refractory materials, synthetic mullite, 45 to 85% alumina |
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| D | Refractory materials, sillimanite/fibrolite, 45 to 85% alumina |
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| D | Refractory materials, andalusite, 45 to 85% alumina |
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| D | Refractory materials, bauxite and diaspore, 45 to 85% alumina |
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| D | Refractory materials, olivine, phosphorite and serpentine based |
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| D | Refractory materials, magnesia |
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| D | Refractory materials, zirconium oxide |
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| D | Refractory materials, magnesium or magnesium-chromite, metal coated |
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| D | Refractory materials, chrome magnesite |
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| D | Refractory materials, chromite |
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| D | Refractory materials, chrome dolomite |
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| D | Refractory materials, dolomite |
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| D | Refractory materials, magnesite, raw and fired |
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| D | Refractory materials, magnesite, sintered and ground |
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| D | Refractory materials, cristobalite-zirconium |
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| D | Refractory materials, zircon |
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| D | Refractory materials, siliceous, 15 to 25% alumina |
|---|
| D | Refractory products, silicon carbide |
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| D | Refractory materials, pure oxide |
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| D | Refractory materials, plastic (mouldable) |
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| D | Refractory cements |
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| D | Grouts and mortars, refractory |
|---|
| D | Powders, refractory |
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| D | Refractory aggregates |
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| D | Refractory products for insulating |
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| D | Pastes, refractory |
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| D | Ceramic-metal (cermet) refractories |
|---|
| D | Colloidal bonded refractories |
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| D | Refractory materials, mouldable |
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| D | Ramming refractories |
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| D | Refractory materials for boiler furnaces |
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| D | Refractory materials for induction furnaces |
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| D | Refractory materials for foundries, the steel industry, blast furnace stoves |
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| D | Refractory materials for gasworks |
|---|
| D | Refractory materials for the glass industry |
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| D | Refractory materials for the ceramics industry |
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| D | Refractory materials for the electrical industry |
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| D | Refractory materials for the cement industry |
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| D | Refractory materials for nuclear reactors |
|---|