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Application filed by Josef Pasek, Vaclav Pexidr, Bohumir Dvorak, Vlastimil Ruzicka, Petr KocarekfiledCriticalJosef Pasek
Priority to CS340277ApriorityCriticalpatent/CS188729B1/en
Publication of CS188729B1publicationCriticalpatent/CS188729B1/en