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Application filed by Michal Ing Kocan, Andrej ProkopovicfiledCriticalMichal Ing Kocan
Priority to CS872086ApriorityCriticalpatent/CS270802B1/cs
Publication of CS208687A1publicationCriticalpatent/CS208687A1/cs
Publication of CS270802B1publicationCriticalpatent/CS270802B1/cs