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Individual
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Individual
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Brique réfractaire spéciale pour la construction de chambres à circulation de gaz chauds et d'air ou autre gaz, en vue de la récupération de chaleur, du chauffage, et d'autres applications
Dispositif pour réchauffer, à l'aide de gaz d'échappement provenant de la combustion, de l'air destiné au chauffage, au séchage ou autres applications