ES118621A3 - La fabricación en España de discos refractarios para usos industriales y en particular para hornillos, estufas eléctricas y similares.
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La fabricación en España de discos refractarios para usos industriales y en particular para hornillos, estufas eléctricas y similares.
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ES118621A1930-06-201930-06-20La fabricación en España de discos refractarios para usos industriales y en particular para hornillos, estufas eléctricas y similares.
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