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Application filed by Milan Ing Magula, Jozef Ing FeherfiledCriticalMilan Ing Magula
Priority to CS816352ApriorityCriticalpatent/CS238402B1/cs
Publication of CS635281A1publicationCriticalpatent/CS635281A1/cs
Publication of CS238402B1publicationCriticalpatent/CS238402B1/cs