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Application filed by Hercik Petr, Petr Ing Mulac, Vaclav Ing NemecekfiledCriticalHercik Petr
Priority to CS86766ApriorityCriticalpatent/CS258973B1/en
Publication of CS76686A1publicationCriticalpatent/CS76686A1/en
Publication of CS258973B1publicationCriticalpatent/CS258973B1/en