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Application filed by Frantisek Sedivy, Jaromir KucerafiledCriticalFrantisek Sedivy
Priority to CS543375ApriorityCriticalpatent/CS194927B1/cs
Publication of CS194927B1publicationCriticalpatent/CS194927B1/cs
CS543375A1975-08-051975-08-05Method of manufacturing hollow welded steel structures with internal anticorrosive finish,especially heating elements
CS194927B1
(en)