Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Pajgrt Jan, Smetak Vincenc, Kalina Jaroslav, Zemek Michal, Pus Milan, Bucek PavelfiledCriticalPajgrt Jan
Priority to CS296688ApriorityCriticalpatent/CS273592B1/en
Priority to US07/346,398prioritypatent/US5009253A/en
Priority to EP89107929Aprioritypatent/EP0340721B1/en
Priority to DE8989107929Tprioritypatent/DE68900198D1/en
Priority to CN89104995.9Aprioritypatent/CN1039273A/en
Publication of CS296688A1publicationCriticalpatent/CS296688A1/en
Publication of CS273592B1publicationCriticalpatent/CS273592B1/en