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Application filed by Ervin Herold, Ivan Pecival, Miroslav Ing Karas, Petr PetrzikfiledCriticalErvin Herold
Priority to CS831637ApriorityCriticalpatent/CS230940B1/cs
Publication of CS163783A1publicationCriticalpatent/CS163783A1/cs
Publication of CS230940B1publicationCriticalpatent/CS230940B1/cs