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.)
Pechiney Chimiques & Electro-Metallurgiques
Original Assignee
Pechiney Chimiques & Electro-Metallurgiques
Filing date
Publication date
Application filed by Pechiney Chimiques & Electro-MetallurgiquesfiledCriticalPechiney Chimiques & Electro-Metallurgiques
Application grantedgrantedCritical
Publication of AU160691B2publicationCriticalpatent/AU160691B2/en
Publication of AU650351ApublicationCriticalpatent/AU650351A/en