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Application filed by Franz ObexerfiledCriticalFranz Obexer
Priority to IT8804862ApriorityCriticalpatent/IT1225910B/it
Publication of IT8804862A0publicationCriticalpatent/IT8804862A0/it
Application grantedgrantedCritical
Publication of IT1225910BpublicationCriticalpatent/IT1225910B/it