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.)
Expired
Application number
AU40223/72A
Inventor
Erich Hofling
Seigfried Bloeck
Maly Zdenek
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.)
Alcan Holdings Switzerland AG
Original Assignee
Alusuisse Holdings AG
Schweizerische Aluminium AG
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 Alusuisse Holdings AG, Schweizerische Aluminium AGfiledCriticalAlusuisse Holdings AG
Priority to AU40223/72ApriorityCriticalpatent/AU4022372A/en
Publication of AU4022372ApublicationCriticalpatent/AU4022372A/en