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Application filed by Dvorsky Drahomir, Karel Cerovsky, Pavel Ing Bartusek, Ivana Ing JansovafiledCriticalDvorsky Drahomir
Priority to CS837066ApriorityCriticalpatent/CS242255B1/en
Publication of CS706683A1publicationCriticalpatent/CS706683A1/en
Publication of CS242255B1publicationCriticalpatent/CS242255B1/en