Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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HELIX Srl
Original Assignee
HELIX Srl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from IT67628/80Aexternal-prioritypatent/IT1128428B/it
Priority claimed from ITTO1981U52847Uexternal-prioritypatent/IT8152847U1/it
Application filed by HELIX SrlfiledCriticalHELIX Srl
Publication of FR2480832A1publicationCriticalpatent/FR2480832A1/fr
Application grantedgrantedCritical
Publication of FR2480832B3publicationCriticalpatent/FR2480832B3/fr