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Application filed by Kratochvilova Anna Rnd Kockova, Maria Rndr Csc Hrmova, Martin Doc Ing Csc Kosik, Sturdik Ernest, Biely PeterfiledCriticalKratochvilova Anna Rnd Kockova
Priority to CS851384ApriorityCriticalpatent/CS245339B1/en
Publication of CS138485A1publicationCriticalpatent/CS138485A1/en
Publication of CS245339B1publicationCriticalpatent/CS245339B1/en