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Application filed by Adolf Ing Bartl, Viktor Schleifer, Frantisek SvobodafiledCriticalAdolf Ing Bartl
Priority to CS309784ApriorityCriticalpatent/CS273002B1/cs
Publication of CS309784A1publicationCriticalpatent/CS309784A1/cs
Publication of CS273002B1publicationCriticalpatent/CS273002B1/cs