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Application filed by Jozef Rndr Kollar, Koloman Ing SabikfiledCriticalJozef Rndr Kollar
Priority to CS831619ApriorityCriticalpatent/CS231538B1/en
Publication of CS161983A1publicationCriticalpatent/CS161983A1/en
Publication of CS231538B1publicationCriticalpatent/CS231538B1/en