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Application filed by Jozef Ing Mirdala, Ladislav Ing Csc Servatka, Sindler JaroslavfiledCriticalJozef Ing Mirdala
Priority to CS855235ApriorityCriticalpatent/CS264803B1/en
Publication of CS523585A1publicationCriticalpatent/CS523585A1/en
Publication of CS264803B1publicationCriticalpatent/CS264803B1/en