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Application filed by Jiri Ing Valasek, Jaroslav Dipl Tech Petlach, Kubena Karel, Josef Hrncirik, Oldrich Ing MatelafiledCriticalJiri Ing Valasek
Priority to CS865430ApriorityCriticalpatent/CS259498B1/cs
Publication of CS543086A1publicationCriticalpatent/CS543086A1/cs
Publication of CS259498B1publicationCriticalpatent/CS259498B1/cs