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Application filed by Hauskrecht Peter, Svitek Imrich, Eduard Ing JakubcekfiledCriticalHauskrecht Peter
Priority to CS888728ApriorityCriticalpatent/CS270196B1/cs
Publication of CS872888A1publicationCriticalpatent/CS872888A1/cs
Publication of CS270196B1publicationCriticalpatent/CS270196B1/cs