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Application filed by Milan Ing Csc Bacovsky, Hrabovecky Imrich, Frantisek Ing Nadvornik, Stanko NikolajfiledCriticalMilan Ing Csc Bacovsky
Priority to CS857830ApriorityCriticalpatent/CS252527B1/en
Publication of CS783085A1publicationCriticalpatent/CS783085A1/en
Publication of CS252527B1publicationCriticalpatent/CS252527B1/en