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Application filed by Miroslav Ing Vognar, Anatolij G Ing Belov, Cestmir Prof Ing Simane, Vladimir N Ing PokrovskijfiledCriticalMiroslav Ing Vognar
Priority to CS845538ApriorityCriticalpatent/CS239494B1/cs
Publication of CS553884A1publicationCriticalpatent/CS553884A1/cs
Publication of CS239494B1publicationCriticalpatent/CS239494B1/cs