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Application filed by Maly Klement, Waradzin Walter, Ludovit Ing Mikula, Ivan Khandl, Oravec EduardfiledCriticalMaly Klement
Priority to CS87313ApriorityCriticalpatent/CS259294B1/cs
Publication of CS31387A1publicationCriticalpatent/CS31387A1/cs
Publication of CS259294B1publicationCriticalpatent/CS259294B1/cs