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Application filed by Josef Ing Travnicek, Holecek Jaroslav, Vaclav Simunek, Fleischmann JaroslavfiledCriticalJosef Ing Travnicek
Priority to CS85519ApriorityCriticalpatent/CS243307B1/en
Publication of CS51985A1publicationCriticalpatent/CS51985A1/en
Publication of CS243307B1publicationCriticalpatent/CS243307B1/en