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Application filed by Virginia Faur, Ioan BlajfiledCriticalVirginia Faur
Priority to RO109829ApriorityCriticalpatent/RO86345B1/ro
Publication of RO86345A2publicationCriticalpatent/RO86345A2/fr
Publication of RO86345B1publicationCriticalpatent/RO86345B1/ro
Process for thermal insulation of the surface of a molten mass of steel and thermally insulating board used as a cover plate for carrying out said process