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Application filed by Michal Ing Kovac, Bohuslav SilarfiledCriticalMichal Ing Kovac
Priority to CS859572ApriorityCriticalpatent/CS252540B1/en
Publication of CS957285A1publicationCriticalpatent/CS957285A1/en
Publication of CS252540B1publicationCriticalpatent/CS252540B1/en
CS859572A1985-12-201985-12-20Material for production of pre-annealed refractory concrete moulded bricks' making in combination with pyrostator tubes
CS252540B1
(en)