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Application filed by Mainer Petr, Josef Ing Fiala, Jiri Popek, Jan VadinskyfiledCriticalMainer Petr
Priority to CS849646ApriorityCriticalpatent/CS243868B1/cs
Publication of CS964684A1publicationCriticalpatent/CS964684A1/cs
Publication of CS243868B1publicationCriticalpatent/CS243868B1/cs