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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ETUDE DEV METALLURG
Original Assignee
ETUDE DEV METALLURG
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Priority claimed from EP81400001Aexternal-prioritypatent/EP0055947B1/fr
Application filed by ETUDE DEV METALLURGfiledCriticalETUDE DEV METALLURG
Priority to FR8205054ApriorityCriticalpatent/FR2523882B2/fr
Publication of FR2523882A2publicationCriticalpatent/FR2523882A2/fr
Application grantedgrantedCritical
Publication of FR2523882B2publicationCriticalpatent/FR2523882B2/fr