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Application filed by Manasek Zdenek, Alzbeta Ing Pajchortova, Gabriela Ing Vassova, Vass FrantisekfiledCriticalManasek Zdenek
Priority to CS868574ApriorityCriticalpatent/CS257380B1/en
Publication of CS857486A1publicationCriticalpatent/CS857486A1/en
Publication of CS257380B1publicationCriticalpatent/CS257380B1/en