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IE28870L
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Heat-treating expansible granular material
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IE26119L
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Heat treating granular material.
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DE1151460B
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Process for the production of lightweight construction elements from blue, grainy material
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US3118658A
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Apparatus for manufacturing a porous material such as blown clay, by heating
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DE1170309B
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Process for the treatment of blue goods
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DE1141934B
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Treatment chamber that can be heated by at least one burner for the preparation of bulky goods
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Process for the treatment of granulated bulky material by the fluidized bed process
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CA656051A
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Method and apparatus for treating granulated blowable material in a fluidized bed
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