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Application filed by Svatopluk Ing Gleich, Vladimir Ing Zbirovsky, Jan Ing KrausfiledCriticalSvatopluk Ing Gleich
Priority to CS851590ApriorityCriticalpatent/CS243363B1/en
Publication of CS159085A1publicationCriticalpatent/CS159085A1/en
Publication of CS243363B1publicationCriticalpatent/CS243363B1/en