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Application filed by Milan Brtka, Karol Villar, Imrich Papay, Jozef BedusfiledCriticalMilan Brtka
Priority to CS83369ApriorityCriticalpatent/CS232062B1/cs
Publication of CS36983A1publicationCriticalpatent/CS36983A1/cs
Publication of CS232062B1publicationCriticalpatent/CS232062B1/cs