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Application filed by William Bradshaw, Lancashire Gran BretagnafiledCriticalWilliam Bradshaw
Priority to IT12664/82ApriorityCriticalpatent/IT1157776B/it
Publication of IT8212664A0publicationCriticalpatent/IT8212664A0/it
Application grantedgrantedCritical
Publication of IT1157776BpublicationCriticalpatent/IT1157776B/it