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Application filed by Jan Ing CernyfiledCriticalJan Ing Cerny
Priority to CS52589ApriorityCriticalpatent/CS274983B2/cs
Priority to HU90254Aprioritypatent/HUT54317A/hu
Publication of CS8900525A1publicationCriticalpatent/CS8900525A1/cs
Publication of CS274983B2publicationCriticalpatent/CS274983B2/cs