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Application filed by Zdenek Vasalovsky, Frantisek HnilicafiledCriticalZdenek Vasalovsky
Priority to CS849677ApriorityCriticalpatent/CS189844B1/cs
Publication of CS189844B1publicationCriticalpatent/CS189844B1/cs
CS849677A1977-12-191977-12-19Appliance for determination of the surface height of loose materials,particularly foundry sands in the containers
CS189844B1
(en)