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Application filed by Miroslav Roeschel, Jaroslav Havelka, Stanislav Undus, Bohuslav Pistinek, Leos NakladalfiledCriticalMiroslav Roeschel
Priority to CS740577ApriorityCriticalpatent/CS192882B1/cs
Publication of CS192882B1publicationCriticalpatent/CS192882B1/cs