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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rio Tinto France SAS
Original Assignee
Aluminium Pechiney SA
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
Application filed by Aluminium Pechiney SAfiledCriticalAluminium Pechiney SA
Priority to FR7502666ApriorityCriticalpatent/FR2298618A2/fr
Publication of FR2298618A2publicationCriticalpatent/FR2298618A2/fr
Application grantedgrantedCritical
Publication of FR2298618B2publicationCriticalpatent/FR2298618B2/fr
