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Application filed by Vusab Vyvoj A Vyroba SklarskefiledCriticalVusab Vyvoj A Vyroba Sklarske
Priority to CS907032ApriorityCriticalpatent/CS703290A3/en
Publication of CS703290A3publicationCriticalpatent/CS703290A3/en
Method for producing rubbed materials fractionated according to size particularly zircon-corundum and pore-making components applied for abrasive tools