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ES275410A3
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Procedure for manufacturing a cellular structure material (Machine-translation by Google Translate, not legally binding)
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GB969218A
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Process and rotary kiln for the production of a light-weight material from wet, plastic clay
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ES260071A1
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Procedure for the manufacture of an appropriate product for isolation (Machine-translation by Google Translate, not legally binding)
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CA663169A
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Rotary kiln production of round vesicular clay granules
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CA532763A
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Process for the manufacture of a product with blistered structure, adapted for insulating purposes
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