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Application filed by Jaroslav Ing Kolbe, Jan Ing Csc Pocta, Josef Ing Porizka, Jaroslav Sklenar, Ladislav Ing ZelafiledCriticalJaroslav Ing Kolbe
Priority to CS867800ApriorityCriticalpatent/CS259835B1/en
Publication of CS780086A1publicationCriticalpatent/CS780086A1/en
Publication of CS259835B1publicationCriticalpatent/CS259835B1/en