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Application filed by Karl Heinz SperlingfiledCriticalKarl Heinz Sperling
Priority to IT83355/83ApriorityCriticalpatent/IT1175074B/it
Publication of IT8383355A0publicationCriticalpatent/IT8383355A0/it
Publication of IT8383355A1publicationCriticalpatent/IT8383355A1/it
Application grantedgrantedCritical
Publication of IT1175074BpublicationCriticalpatent/IT1175074B/it