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Application filed by Petr Ing Koutny, Mojmir Skrabal, Rehak Petr, Dusan Karas, Josef SochafiledCriticalPetr Ing Koutny
Priority to CS876422ApriorityCriticalpatent/CS263073B1/en
Publication of CS642287A1publicationCriticalpatent/CS642287A1/en
Publication of CS263073B1publicationCriticalpatent/CS263073B1/en