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Application filed by Hans Karl LeistritzfiledCriticalHans Karl Leistritz
Priority to IT8404879ApriorityCriticalpatent/IT1226885B/en
Publication of IT8404879A0publicationCriticalpatent/IT8404879A0/en
Application grantedgrantedCritical
Publication of IT1226885BpublicationCriticalpatent/IT1226885B/en