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Application filed by Oldrich Ing ZezulafiledCriticalOldrich Ing Zezula
Priority to CS875016ApriorityCriticalpatent/CS262240B1/en
Publication of CS501687A1publicationCriticalpatent/CS501687A1/en
Publication of CS262240B1publicationCriticalpatent/CS262240B1/en
CS875016A1987-07-021987-07-02Rotating coupling for simultaneous duplex contactless transfer of signals with the help of optic radiation
CS262240B1
(en)