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Application filed by Karel Kanda, Marta Jagerova, Martinec Alexandr, Wolfgang Havlicek, Werner Havlicek, Jaroslav Ing DzurnyfiledCriticalKarel Kanda
Priority to CS877577ApriorityCriticalpatent/CS266823B1/en
Publication of CS757787A1publicationCriticalpatent/CS757787A1/en
Publication of CS266823B1publicationCriticalpatent/CS266823B1/en