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Application filed by Pavel Potucek, Jiri Potucek, Celestin Dipl Tech Hadidom, Jozef Ing Paral, Oubomir Ing Turan, Ivan LastuvkafiledCriticalPavel Potucek
Priority to CS872956ApriorityCriticalpatent/CS263522B1/en
Publication of CS295687A1publicationCriticalpatent/CS295687A1/en
Publication of CS263522B1publicationCriticalpatent/CS263522B1/en