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Apparatus for feeding granular material
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Process of and apparatus for lining furnaces
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Apparatus for lining open-hearth furnaces
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Basic refractory and process of making same
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Refractory and process of making same.
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Process of making furnace-lining materials.
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Refractory material and process of making same.
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Refractory and process of making same.
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Furnace-lining.
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Furnace-lining.
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Furnace-lining material and process for preparing same.
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