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Application filed by Pavlicek Jiri, Jan Kovarik, Stanislav Ing Bittner, Ruzicka Jan, Bretislav Ing Karasek, Pavel Peiger, Vladimir Tomicek, Vladimir DvorakfiledCriticalPavlicek Jiri
Priority to CS846891ApriorityCriticalpatent/CS241821B1/en
Publication of CS689184A1publicationCriticalpatent/CS689184A1/en
Publication of CS241821B1publicationCriticalpatent/CS241821B1/en