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Application filed by Jindrich Stiegler, Vaclav St Stiegler, Vaclav Ml StieglerfiledCriticalJindrich Stiegler
Priority to CS863939ApriorityCriticalpatent/CS261025B1/en
Publication of CS393986A1publicationCriticalpatent/CS393986A1/en
Publication of CS261025B1publicationCriticalpatent/CS261025B1/en