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Priority claimed from GB919106335Aexternal-prioritypatent/GB9106335D0/en
Application filed by Burkard Mfg Co LtdfiledCriticalBurkard Mfg Co Ltd
Publication of ITMI920692A0publicationCriticalpatent/ITMI920692A0/it
Publication of ITMI920692A1publicationCriticalpatent/ITMI920692A1/it
Application grantedgrantedCritical
Publication of IT1254686BpublicationCriticalpatent/IT1254686B/it