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Application filed by Stefan Ing Kollarovits, Jozef Ing Horak, Niepel WiliamfiledCriticalStefan Ing Kollarovits
Priority to CS86170ApriorityCriticalpatent/CS267054B1/en
Publication of CS17086A1publicationCriticalpatent/CS17086A1/en
Publication of CS267054B1publicationCriticalpatent/CS267054B1/en