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Application filed by Jiri Ing Kolacny, Stanislav Filipek, Frantisek PolachfiledCriticalJiri Ing Kolacny
Priority to CS867465ApriorityCriticalpatent/CS258888B1/en
Publication of CS746586A1publicationCriticalpatent/CS746586A1/en
Publication of CS258888B1publicationCriticalpatent/CS258888B1/en