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Application filed by Jozef Janosik, Jaroslav Ing Brindza, Jozef Bedac, Jan Ing Kucera, Anton Ing SvancarafiledCriticalJozef Janosik
Priority to CS836628ApriorityCriticalpatent/CS232645B1/cs
Publication of CS662883A1publicationCriticalpatent/CS662883A1/cs
Publication of CS232645B1publicationCriticalpatent/CS232645B1/cs