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Application filed by Vaclav Bednar, Jaroslav Doc Mudr Csc Kneifl, Koran Alfred, Josef TrnkafiledCriticalVaclav Bednar
Priority to CS86772ApriorityCriticalpatent/CS253626B1/en
Publication of CS77286A1publicationCriticalpatent/CS77286A1/en
Publication of CS253626B1publicationCriticalpatent/CS253626B1/en