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Application filed by Sip Josef, Bohuslav Belohoubek, Patek Zdenek, Vaclav Sorna, Jaroslav Srbek, Plasil Jaroslav, Hippman ZdenekfiledCriticalSip Josef
Priority to CS876148ApriorityCriticalpatent/CS263060B1/en
Publication of CS614887A1publicationCriticalpatent/CS614887A1/en
Publication of CS263060B1publicationCriticalpatent/CS263060B1/en