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Application filed by Ervin Kratochvil, Frantisek Caslava, Jan Hykrda, Jan DrtilfiledCriticalErvin Kratochvil
Priority to ITRM920018ApriorityCriticalpatent/IT1254124B/en
Publication of ITRM920018A0publicationCriticalpatent/ITRM920018A0/en
Publication of ITRM920018A1publicationCriticalpatent/ITRM920018A1/en
Application grantedgrantedCritical
Publication of IT1254124BpublicationCriticalpatent/IT1254124B/en